Test
Stoichiometry test
This 11th-grade stoichiometry test helps students practice calculating mole ratios, mass-mass conversions, identifying limiting reactants, and determining percent yield through multiple-choice and short-answer questions. It emphasizes understanding key concepts and problem-solving strategies.
By Edform · Chemistry · Grade 11 · Published Oct 15, 2026 · New
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Questions
- Which of the following best describes the mole ratio in a balanced chemical equation?
- Which of the following are needed to solve a mass-mass stoichiometry problem?
- In a chemical reaction, the limiting reactant is the one that is completely consumed first.
- What is the term for the amount of product that can be formed based on the limiting reactant? (1–2 words)
- If 16 g of O2 reacts with excess hydrogen to form water (2H2 + O2 → 2H2O), how many grams of water are produced? (O2 = 32 g/mol, H2O = 18 g/mol)
- Which calculation is necessary to determine the percent yield of a reaction?
- Which of the following could cause the percent yield of a reaction to be less than 100%?
- The excess reactant determines the amount of product formed in a chemical reaction.
- What is the first step in any stoichiometry calculation? (1–2 words)
- A reaction has a theoretical yield of 25 g and an actual yield of 20 g. What is the percent yield? (Round to the nearest whole number)
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