{"id":4752,"date":"2026-06-02T07:46:55","date_gmt":"2026-06-02T06:46:55","guid":{"rendered":"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/"},"modified":"2026-10-23T14:06:33","modified_gmt":"2026-10-23T13:06:33","slug":"calculations-with-solutions-and-gases","status":"publish","type":"page","link":"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/","title":{"rendered":"Calculations with Solutions and Gases"},"content":{"rendered":"\n<div class=\"ols-t5-page\">\n\n  <aside class=\"ols-sidebar\">\r\n  <div class=\"ols-sidebar-header\">\r\n    <h3>Revision Notes<\/h3>\r\n    <p>A Level Chemistry<\/p>\r\n  <\/div>\r\n\r\n  <div class=\"ols-topic-group\">\r\n    <h4>Topic 5 Formulae, Equations and Amounts of Substance<\/h4>\r\n\r\n    <ul class=\"ols-topic-list\">\r\n\r\n      <li>\r\n        <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/atoms-elements-and-molecules\/\">Atoms, Elements and Molecules<\/a>\r\n      <\/li>\r\n\r\n      <li>\r\n        <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/equations-and-reaction-types\/\">Equations and Reaction Types<\/a>\r\n        <ul class=\"ols-subtopic-list\">\r\n          <li>\r\n            <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/equations-and-reaction-types\/writing-chemical-equations\/\">Writing Chemical Equations<\/a>\r\n          <\/li>\r\n          <li>\r\n            <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/equations-and-reaction-types\/typical-reactions-of-acids\/\">Typical Reactions of Acids<\/a>\r\n          <\/li>\r\n          <li>\r\n            <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/equations-and-reaction-types\/ionic-and-full-equations\/\">Ionic and Full Equations<\/a>\r\n          <\/li>\r\n        <\/ul>\r\n      <\/li>\r\n\r\n      <li>\r\n        <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/mole-calculations\/\">Mole Calculations<\/a>\r\n        <ul class=\"ols-subtopic-list\">\r\n          <li>\r\n            <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/mole-calculations\/comparing-masses-of-substances\/\">Comparing Masses of Substances<\/a>\r\n          <\/li>\r\n          <li>\r\n            <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/mole-calculations\/calculations-involving-moles\/\">Calculations involving Moles<\/a>\r\n          <\/li>\r\n          <li>\r\n            <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/mole-calculations\/calculations-using-reacting-masses\/\">Calculations using Reacting Masses<\/a>\r\n          <\/li>\r\n          <li>\r\n            <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/mole-calculations\/the-yield-of-a-reaction\/\">The Yield of a Reaction<\/a>\r\n          <\/li>\r\n          <li>\r\n            <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/mole-calculations\/atom-economy\/\">Atom Economy<\/a>\r\n          <\/li>\r\n        <\/ul>\r\n      <\/li>\r\n\r\n      <li>\r\n        <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/empirical-and-molecular-formulae\/\">Empirical and Molecular Formulae<\/a>\r\n        <ul class=\"ols-subtopic-list\">\r\n          <li>\r\n            <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/empirical-and-molecular-formulae\/empirical-formulae\/\">Empirical Formulae<\/a>\r\n          <\/li>\r\n          <li>\r\n            <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/empirical-and-molecular-formulae\/molecular-formulae\/\">Molecular Formulae<\/a>\r\n          <\/li>\r\n        <\/ul>\r\n      <\/li>\r\n\r\n      <li>\r\n        <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/\">Calculations with Solutions and Gases<\/a>\r\n        <ul class=\"ols-subtopic-list\">\r\n          <li>\r\n            <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/molar-volume-calculations\/\">Molar Volume Calculations<\/a>\r\n          <\/li>\r\n          <li>\r\n            <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/concentrations-of-solutions\/\">Concentrations of Solutions<\/a>\r\n          <\/li>\r\n          <li>\r\n            <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/titration-calculations\/\">Titration Calculations<\/a>\r\n          <\/li>\r\n        <\/ul>\r\n      <\/li>\r\n\r\n      <li>\r\n        <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/measurement-uncertainty-and-errors\/\">Measurement Uncertainty and Errors<\/a>\r\n      <\/li>\r\n\r\n      <li>\r\n        <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/risks-hazards-and-practical-precautions\/\">Risks, Hazards and Practical Precautions<\/a>\r\n      <\/li>\r\n\r\n    <\/ul>\r\n  <\/div>\r\n\r\n  <div class=\"ols-topic-group\">\r\n    <h4>Next Topics<\/h4>\r\n\r\n    <ul class=\"ols-topic-list\">\r\n      <li>\r\n        <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-6-organic-chemistry-i\/\">Topic 6 Organic Chemistry I<\/a>\r\n      <\/li>\r\n      <li>\r\n        <a 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href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/\">Revision Notes<\/a> \/\n        <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/\">A Level Chemistry<\/a> \/\n        <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/\">Edexcel<\/a> \/\n        <a href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/\">Topic 5 Formulae, Equations and Amounts of Substance<\/a> \/\n        <span>Calculations with Solutions and Gases<\/span>\n      <\/nav>\n    <\/div>\n  <\/div>\n\n  <!-- INTRO -->\n  <section class=\"ols-t5-intro\">\n    <div class=\"ols-t5-container\">\n      <div class=\"ols-t5-intro-inner\">\n\n        <div>\n          <div class=\"ols-t5-eyebrow\">Edexcel A Level Chemistry<\/div>\n          <h1>Calculations with Solutions and Gases<\/h1>\n          <div class=\"ols-t5-accent-bar\"><\/div>\n          <p class=\"ols-t5-intro-lead\">\n            Calculations with solutions and gases connect the mole concept to measurable laboratory quantities. These pages build from calculating gas volumes, through using concentration in mol dm<sup>\u22123<\/sup>, to interpreting very small concentrations expressed in parts per million.\n          <\/p>\n        <\/div>\n\n        <div class=\"ols-t5-info-grid\">\n          <div class=\"ols-t5-info-card\">\n            <div class=\"ols-t5-info-card-label\">Exam Paper<\/div>\n            <div class=\"ols-t5-info-card-value\">Paper 1<\/div>\n            <div class=\"ols-t5-info-card-sub\">9CH0\/01<\/div>\n          <\/div>\n          <div class=\"ols-t5-info-card\">\n            <div class=\"ols-t5-info-card-label\">Specification Points<\/div>\n            <div class=\"ols-t5-info-card-value\">5.5 &#8211; 5.11<\/div>\n            <div class=\"ols-t5-info-card-sub\">5 points covered<\/div>\n          <\/div>\n          <div class=\"ols-t5-info-card\">\n            <div class=\"ols-t5-info-card-label\">Sub-topics<\/div>\n            <div class=\"ols-t5-info-card-value\">3 lessons<\/div>\n            <div class=\"ols-t5-info-card-sub\">Revision notes available<\/div>\n          <\/div>\n          <div class=\"ols-t5-info-card\">\n            <div class=\"ols-t5-info-card-label\">Exam Board<\/div>\n            <div class=\"ols-t5-info-card-value\">Edexcel<\/div>\n            <div class=\"ols-t5-info-card-sub\">Pearson 9CH0<\/div>\n          <\/div>\n        <\/div>\n\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- TOPIC CARDS -->\n  <section class=\"ols-t5-topics\">\n    <div class=\"ols-t5-container\">\n\n      <div class=\"ols-t5-section-header\">\n        <h2 class=\"ols-t5-section-title\">Revision Notes<\/h2>\n      <\/div>\n\n      <div class=\"ols-t5-cards-grid\">\n\n        <!-- Card 1: Molar Volume Calculations -->\n        <a class=\"ols-t5-card ols-t5-card--available\" href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/molar-volume-calculations\/\">\n          <div class=\"ols-t5-card-img-wrap\">\n            <div class=\"ols-t5-visual ols-t5-visual--particles\">\n              <div class=\"ols-t5-visual-panel\">\n                  <div class=\"ols-t5-visual-kicker\">Gas volume<\/div>\n                  <div class=\"ols-t5-visual-main\">Molar<br>Volume<\/div>\n                  <div class=\"ols-t5-visual-sub\">gas volume and amount in moles<\/div>\n                <\/div>\n            <\/div>\n            <div class=\"ols-t5-card-num\">1<\/div>\n          <\/div>\n          <div class=\"ols-t5-card-body\">\n            <p class=\"ols-t5-card-title\">Molar Volume Calculations<\/p>\n            <p class=\"ols-t5-card-desc\">Revise how the amount of gas in moles links to gas volume, including the use of molar gas volume in calculations.<\/p>\n            <span class=\"ols-t5-card-cta\">\n              Start revising\n              <svg viewBox=\"0 0 16 16\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M3 8h10M9 4l4 4-4 4\"><\/path><\/svg>\n            <\/span>\n          <\/div>\n        <\/a>\n\n        <!-- Card 2: Concentrations of Solutions -->\n        <a class=\"ols-t5-card ols-t5-card--available\" href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/concentrations-of-solutions\/\">\n          <div class=\"ols-t5-card-img-wrap\">\n            <div class=\"ols-t5-visual ols-t5-visual--equations\">\n              <div class=\"ols-t5-visual-panel\">\n                  <div class=\"ols-t5-visual-kicker\">Solution concentration<\/div>\n                  <div class=\"ols-t5-visual-main\">Solution<br>Concentration<\/div>\n                  <div class=\"ols-t5-visual-sub\">amount, volume and concentration<\/div>\n                <\/div>\n            <\/div>\n            <div class=\"ols-t5-card-num\">2<\/div>\n          <\/div>\n          <div class=\"ols-t5-card-body\">\n            <p class=\"ols-t5-card-title\">Concentrations of Solutions<\/p>\n            <p class=\"ols-t5-card-desc\">Practise using concentration, volume and amount of substance in mol dm<sup>\u22123<\/sup> calculations.<\/p>\n            <span class=\"ols-t5-card-cta\">\n              Start revising\n              <svg viewBox=\"0 0 16 16\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M3 8h10M9 4l4 4-4 4\"><\/path><\/svg>\n            <\/span>\n          <\/div>\n        <\/a>\n\n        <!-- Card 3: Titration Calculations -->\n        <a class=\"ols-t5-card ols-t5-card--available\" href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/titration-calculations\/\">\n          <div class=\"ols-t5-card-img-wrap\">\n            <div class=\"ols-t5-visual ols-t5-visual--moles\">\n              <div class=\"ols-t5-visual-panel\">\n                  <div class=\"ols-t5-visual-kicker\">Volumetric analysis<\/div>\n                  <div class=\"ols-t5-visual-main\">Titration<br>Calculations<\/div>\n                  <div class=\"ols-t5-visual-sub\">concentration, volume and mole ratios<\/div>\n                <\/div>\n            <\/div>\n            <div class=\"ols-t5-card-num\">3<\/div>\n          <\/div>\n          <div class=\"ols-t5-card-body\">\n            <p class=\"ols-t5-card-title\">Titration Calculations<\/p>\n            <p class=\"ols-t5-card-desc\">Use concentration, volume and balanced equation ratios to calculate unknown concentrations from titration data.<\/p>\n            <span class=\"ols-t5-card-cta\">\n              Start revising\n              <svg viewBox=\"0 0 16 16\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M3 8h10M9 4l4 4-4 4\"><\/path><\/svg>\n            <\/span>\n          <\/div>\n        <\/a>\n\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- SPECIFICATION -->\n  <!-- OLS-SMAP -->\n<style>\r\n.ols-smap{--sm-navy:#1C244B;--sm-blue:#467FF7;--sm-teal:#0f8b8d;--sm-muted:#5f6b84;--sm-border:#e3e8f2;margin:44px auto 8px;max-width:1140px;padding:0 20px;font-family:inherit}\r\n.ols-smap-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:0 0 18px}\r\n.ols-smap-head h2{font-size:clamp(22px,2.6vw,28px);font-weight:800;color:var(--sm-navy);margin:0;letter-spacing:-.01em}\r\n.ols-smap-head p{margin:0;color:var(--sm-muted);font-size:14px}\r\n.ols-smap-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,460px),1fr));gap:20px}\r\n.ols-smap-card{display:grid;grid-template-columns:150px 1fr;background:#fff;border:1px solid var(--sm-border);border-radius:22px;overflow:hidden;box-shadow:0 10px 28px rgba(28,36,75,.08);transition:transform .28s cubic-bezier(.34,1.56,.64,1),box-shadow .28s ease,border-color .28s ease}\r\n.ols-smap-card:hover{transform:translateY(-6px);box-shadow:0 24px 48px rgba(28,36,75,.14);border-color:rgba(70,127,247,.35)}\r\n.ols-smap-vis{background:linear-gradient(160deg,#1C244B 0%,#2d3c7a 100%);display:flex;align-items:center;justify-content:center;padding:14px}\r\n.ols-smap-vis svg{width:100%;max-width:118px;height:auto;display:block}\r\n.ols-smap-body{padding:18px 20px 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svg{width:16px;height:16px}\r\n.ols-smap-meta{font-size:12px;color:var(--sm-muted)}\r\n.ols-smap-note{font-size:11.5px;color:var(--sm-muted);margin:14px 0 0;text-align:center}\r\n@media (max-width:560px){.ols-smap{padding:0 16px;margin-top:32px}.ols-smap-card{grid-template-columns:76px 1fr}.ols-smap-vis{padding:8px}.ols-smap-vis svg{max-width:60px}.ols-smap-body{padding:14px 14px 16px}.ols-smap-title{font-size:16px}.ols-smap-desc{font-size:13.5px}.ols-smap-btn{padding:9px 15px;font-size:13.5px}}\r\n<\/style><section class=\"ols-smap\" aria-label=\"Summary map\"><div class=\"ols-smap-head\"><h2>Summary map<\/h2><p>Download, print and revise the key facts of this topic at a glance.<\/p><\/div><div class=\"ols-smap-grid\"><article class=\"ols-smap-card\"><div class=\"ols-smap-vis\"><svg viewBox=\"0 0 120 120\" aria-hidden=\"true\"><g fill=\"none\" stroke=\"#ffffff\" stroke-width=\"2.4\" stroke-linecap=\"round\"><circle cx=\"60\" cy=\"60\" r=\"17\"\/><path d=\"M60 43V20M60 77v23M43 60H20M77 60h23M48 48 32 32M72 48l16-16M48 72 32 88M72 72l16 16\"\/><\/g><g fill=\"#ffffff\"><path d=\"M60 16l-4 7h8zM60 104l-4-7h8zM16 60l7-4v8zM104 60l-7-4v8zM29 29l2.5 7.5 5-5zM91 29l-7.5 2.5 5 5zM29 91l7.5-2.5-5-5zM91 91l-2.5-7.5-5 5z\"\/><\/g><g fill=\"#5fd0c9\"><circle cx=\"60\" cy=\"11\" r=\"3\"\/><circle cx=\"109\" cy=\"60\" r=\"3\"\/><\/g><g fill=\"#f2c14e\"><circle cx=\"11\" cy=\"60\" r=\"3\"\/><circle cx=\"96\" cy=\"96\" r=\"3\"\/><\/g><g fill=\"#9db8ff\"><circle cx=\"24\" cy=\"24\" r=\"3\"\/><circle cx=\"60\" cy=\"109\" r=\"3\"\/><\/g><\/svg><\/div><div class=\"ols-smap-body\"><span class=\"ols-smap-kicker\">Summary map \u00b7 PDF<\/span><p class=\"ols-smap-title\">Solutions, Gases and Titrations Map<\/p><p class=\"ols-smap-board\">Edexcel A Level Chemistry \u00b7 Topic 5 Formulae, Equations and Amounts of Substance \u00b7 Calculations with Solutions and Gases<\/p><p class=\"ols-smap-desc\">The whole section on one A4 page: concentration, standard solutions, titrations and indicators, molar volume, pV = nRT and Core Practical 1.<\/p><div class=\"ols-smap-row\"><a class=\"ols-smap-btn\" href=\"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-content\/uploads\/ols-maps\/map-dom-5e-solutions-gases.pdf\" download rel=\"nofollow\"><svg viewBox=\"0 0 16 16\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M8 2v8M4.5 6.5 8 10l3.5-3.5M3 13h10\"\/><\/svg>Download the map<\/a><span class=\"ols-smap-meta\">6 key ideas + a units table \u00b7 A4 portrait \u00b7 print ready<\/span><\/div><\/div><\/article><\/div><p class=\"ols-smap-note\">\u00a9 2026 Online Learning System. For personal study: printing is allowed; editing, copying and redistribution are not.<\/p><\/section>\n<!-- \/OLS-SMAP -->\n<section class=\"ols-t5-spec-section\">\n    <div class=\"ols-t5-container\">\n      <div class=\"ols-t5-spec-wrap\">\n        <div class=\"ols-t5-spec-pill\">Specification Coverage<\/div>\n        <h2 class=\"ols-t5-spec-heading\">Calculations with Solutions and Gases &#8211; Edexcel A Level Chemistry<\/h2>\n        <p class=\"ols-t5-spec-intro-text\">The following specification points outline the knowledge and skills students are expected to demonstrate for Topic 5. Ideas from this topic are applied across quantitative chemistry, practical work and later physical, inorganic and organic topics.<\/p>\n\n        <h3 class=\"ols-t5-spec-group-title\">Chemical Language and Formulae<\/h3>\n        <div class=\"ols-t5-spec-rows\">\n          \n          \n          <div class=\"ols-t5-spec-row ols-t5-spec-row--mid\">\n            <div class=\"ols-t5-spec-code\">5.5<\/div>\n            <div class=\"ols-t5-spec-text\">\n              be able to use experimental data to calculate empirical formulae and molecular formulae, including the use of <em>pV = nRT<\/em> for gases and volatile liquids.\n              <div class=\"ols-t5-spec-sub-list\">\n                <div class=\"ols-t5-spec-sub-row\">\n                  <div class=\"ols-t5-spec-sub-code\">i<\/div>\n                  <div class=\"ols-t5-spec-sub-text\">empirical formulae<\/div>\n                <\/div>\n                <div class=\"ols-t5-spec-sub-row\">\n                  <div class=\"ols-t5-spec-sub-code\">ii<\/div>\n                  <div class=\"ols-t5-spec-sub-text\">molecular formulae including the use of <em>pV = nRT<\/em> for gases and volatile liquids<\/div>\n                <\/div>\n              <\/div>\n              <em>Calculations of empirical formula may involve composition by mass or percentage composition by mass data.<\/em>\n            <\/div>\n          <\/div>\n        <\/div>\n\n        <h3 class=\"ols-t5-spec-group-title\">The Mole and Core Calculations<\/h3>\n        <div class=\"ols-t5-spec-rows\">\n          \n          \n          <div class=\"ols-t5-spec-row\">\n            <div class=\"ols-t5-spec-code\">5.7<\/div>\n            <div class=\"ols-t5-spec-text\">be able to calculate amounts of substances, in mol, in reactions involving mass, volume of gas, volume of solution and concentration. These calculations may involve reactants and\/or products.<\/div>\n          <\/div>\n          \n          <div class=\"ols-t5-spec-row\">\n            <div class=\"ols-t5-spec-code\">5.9<\/div>\n            <div class=\"ols-t5-spec-text\">be able to calculate reacting volumes of gases from chemical equations, and vice versa, using the concepts of amount of substance<\/div>\n          <\/div>\n          <div class=\"ols-t5-spec-row\">\n            <div class=\"ols-t5-spec-code\">5.10<\/div>\n            <div class=\"ols-t5-spec-text\">be able to calculate reacting volumes of gases from chemical equations, and vice versa, using the concepts of molar volume of gases. <strong>Core Practical 1:<\/strong> measure the molar volume of a gas.<\/div>\n          <\/div>\n          <div class=\"ols-t5-spec-row\">\n            <div class=\"ols-t5-spec-code\">5.11<\/div>\n            <div class=\"ols-t5-spec-text\">be able to calculate solution concentrations, in mol dm<sup>-3<\/sup> and g dm<sup>-3<\/sup>, including simple acid-base titrations using a range of acids, alkalis and indicators. The use of both phenolphthalein and methyl orange as indicators will be expected.<\/div>\n          <\/div>\n          \n        <\/div>\n\n      <\/div>\n    <\/div>\n  <\/section>\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"WebPage\",\n      \"@id\": \"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/#webpage\",\n      \"url\": \"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/\",\n      \"name\": \"Calculations with Solutions and Gases\",\n      \"inLanguage\": \"en-GB\",\n      \"breadcrumb\": {\n        \"@id\": \"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/#breadcrumb\"\n      }\n    },\n    {\n      \"@type\": \"BreadcrumbList\",\n      \"@id\": \"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/#breadcrumb\",\n      \"itemListElement\": [\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 1,\n          \"name\": \"Revision Notes\",\n          \"item\": \"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/\"\n        },\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 2,\n          \"name\": \"A Level Chemistry\",\n          \"item\": \"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/\"\n        },\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 3,\n          \"name\": \"Edexcel\",\n          \"item\": \"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/\"\n        },\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 4,\n          \"name\": \"Topic 5 Formulae, Equations and Amounts of Substance\",\n          \"item\": \"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/\"\n        },\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 5,\n          \"name\": \"Calculations with Solutions and Gases\",\n          \"item\": \"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/\"\n        }\n      ]\n    },\n    {\n      \"@type\": \"ItemList\",\n      \"@id\": \"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/#pages\",\n      \"name\": \"Calculations with Solutions and Gases revision notes\",\n      \"itemListElement\": [\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 1,\n          \"url\": \"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/molar-volume-calculations\/\",\n          \"name\": \"Molar Volume Calculations\"\n        },\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 2,\n          \"url\": \"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/concentrations-of-solutions\/\",\n          \"name\": \"Concentrations of Solutions\"\n        },\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 3,\n          \"url\": \"https:\/\/www.onlinelearningsystem.net\/xyz\/revision-notes\/a-level-chemistry\/edexcel\/topic-5-formulae-equations-and-amounts-of-substance\/calculations-with-solutions-and-gases\/titration-calculations\/\",\n          \"name\": \"Titration Calculations\"\n        }\n      ]\n    }\n  ]\n}\n<\/script>\n\n<\/div>\n\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Revision Notes \/ A Level Chemistry \/ Edexcel \/ Topic 5 Formulae, Equations and Amounts of Substance \/ Calculations with Solutions and Gases Edexcel A Level Chemistry Calculations with Solutions and Gases Calculations with solutions and gases connect the mole concept to measurable laboratory quantities. These pages build from calculating gas volumes, through using concentration [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"parent":4501,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4752","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/pages\/4752","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/comments?post=4752"}],"version-history":[{"count":0,"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/pages\/4752\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/pages\/4501"}],"wp:attachment":[{"href":"https:\/\/www.onlinelearningsystem.net\/xyz\/wp-json\/wp\/v2\/media?parent=4752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}