Stoichiometric calculations — KCSE Chemistry
KCSE Chemistry · 63 practice questions · 4 syllabus objectives
What You'll Learn
Key learning outcomes for this topic, aligned to the KNEC KCSE syllabus.
Use mole ratios from balanced equations to calculate masses of reactants and products
Calculate volumes of gases at STP using the molar volume (22.4 L/mol)
Identify the limiting reagent and calculate the theoretical yield and percentage yield
Stoichiometric calculations
Sample Questions
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State the mole ratio of hydrogen to oxygen in the balanced equation for the combustion of hydrogen.
State the definition of a mole in chemistry.
What is the purpose of a balanced chemical equation in stoichiometry?
Why Practise Stoichiometric calculations?
KNEC Aligned
Questions match the KCSE syllabus objectives and exam format exactly.
Detailed Marking Schemes
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