All Quantitative chemistry and stoichiometry articles

Resource

Concentration of solutions and titration | Structure strip | 14–16 years

Support learners to write about concentration of solutions and titration, using scaffolded writing prompts

Lesson plan

Calculating and comparing solution concentrations | 16–18 years

Use this lesson plan to practise calculating the concentration of a solution from the mass of solute and volume of water 

Resource

Swm y sylwedd mewn molau | Stribed strwythur | 14–16

Defnyddiwch yr awgrymiadau sydd wedi’u sgaffaldio i helpu’r dysgwyr i ysgrifennu am swm y sylwedd mewn molau

Resource

Amount of substance in moles | Structure strip | 14–16 years

Use scaffolded prompts to support learners to write about amount of substance in moles

Resource

C, O and Co | Johnstone’s triangle | 11–14 years

Develop your learners’ understanding of symbols and formulas at different conceptual levels by comparing the symbolic representations of carbon monoxide and cobalt

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Reacting ratios: gas volumes | Developing understanding | 14–16 years

Connect learners’ ideas about balanced equations, the ratio of atoms and moles and the volume of reactants and products

Resource

Hafaliadau cemegol cytbwys a thanwydd | Mewn cyd-destun | 14–16

Rhoi cydbwyso hafaliadau cemegol mewn cyd-destun gyda chwestiynau am danwydd

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Balanced chemical equations and fuel | In context | 14–16

Put balancing chemical equations into context with questions based on fuels

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Reacting masses and gas volumes | Knowledge check | 14–16

Assess understanding of reacting masses at foundation and higher level, plus gas volumes (higher only)

Poster

How to balance chemical equations

2026-05-11T07:00:00Z

Simple steps to success, confidence and fluency with balancing equations for 14–16 learners

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Reacting masses and gas volumes | In context | 14–16

Put reacting masses and gas volumes into context with questions based on fertiliser in food prodcution

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Concentration of solutions and titration | In context | 14–16

Put concentration of solutions and titration into context with questions based on acids in fruit juices

Lesson plan

Measuring vitamin C in fruit using a microscale titration | 14–16 years

Compare the amount of vitamin C in fruit and juices using a microscale titration in this practical lesson plan with follow-up questions

Resource

Concentration of solutions and titration | Knowledge check | 14–16

Assess learning of concentration of solutions and titration with a higher and foundation worksheet

Resource

Relative mass | In context | 14–16

Practise relative mass calculations using the context of sugars in food and our bodies

Resource

Crynodiad hydoddiannau a thitradiadau | Stribed strwythur | 14–16 oed

Helpwch y dysgwyr i ysgrifennu am grynodiad hydoddiannau a thitradiadau, gan ddefnyddio awgrymiadau ysgrifennu wedi’u sgaffaldio

Lesson plan

Practising calculations in chemistry | 14–16 years

Help your learners check or revise key calculations in chemistry using this lesson plan with scaffolded activities and worked examples

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Excess copper oxide | Johnstone’s triangle worksheets | 14–16 years

Explore the reaction of sulfuric acid with excess reactant copper oxide at three conceptual levels with Johnstone’s triangle

Resource

Relative mass | Knowledge check | 14–16

Assess knowledge and understanding of relative mass with a higher and foundation worksheet

Resource

Limiting and excess reactants: quantitative | Developing understanding | 14–16 years

Develop learners quantitative understanding of limiting and excess reactants with the support of bar diagrams