Honors Stoichiometry Test Review
Authored by Lindsey Deaver
Chemistry
10th - 12th Grade
NGSS covered
Used 131+ times
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About
This quiz covers stoichiometry, the quantitative study of chemical reactions that forms the cornerstone of advanced chemistry education. The content is designed for grades 10-12 honors chemistry students, requiring mastery of mole-to-mole conversions, mass-to-mass calculations, theoretical and actual yield determinations, percent yield calculations, and limiting reactant identification. Students must demonstrate proficiency in using balanced chemical equations to establish mole ratios, converting between moles and grams using molar mass, and applying dimensional analysis to solve multi-step stoichiometric problems. The quiz integrates conceptual understanding of key terms like theoretical yield, actual yield, percent yield, limiting reactant, and excess reactant with computational skills involving complex calculations across various reaction types including synthesis, decomposition, and single replacement reactions. Created by Lindsey Deaver, a Chemistry teacher in US who teaches grade 10-12. This comprehensive assessment serves as an excellent test review tool for honors-level stoichiometry, providing students with varied problem types that mirror real laboratory scenarios and AP Chemistry exam questions. Teachers can implement this quiz as a formative assessment to identify knowledge gaps before summative testing, assign it as structured homework to reinforce classroom instruction, or use individual questions as warm-up problems to begin class sessions. The quiz effectively supports mastery of essential chemistry standards including NGSS HS-PS1-7 (using mathematical representations to support claims about relationships between variables in chemical reactions) and aligns with Common Core mathematical practices in problem-solving and modeling, particularly when students analyze limiting reactants and calculate percent yields in laboratory contexts.
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32 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
N2 + 3H2 → 2NH3
How many moles of hydrogen are needed to react with 2 moles of nitrogen?
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
2Na + 2H2O → 2NaOH+ H2
How many grams of hydrogen are produced if 120 g of Na are available?
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
CH4 + 2O2 → CO2 + 2H2O
24 grams of CH4 was added to the above reaction. Calculate the theoretical yield of CO2.
66 grams CO2
132 grams CO2
33 grams CO2
8.72 grams CO2
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
For the reaction represented by the equation Cl2 + 2KBr → Br2 + 2KCl, how many grams of potassium chloride (KCl) can be produced from 356 grams potassium bromide (KBr)? Round to one decimal point when calculating.
749 g
223 g
479 g
814 g
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Use the following equation:
2Al + 3Cl2 → 2AlCl3
If 140 grams of aluminum chloride react, how many moles of aluminum will be produced?
5.10 moles of Al
1.05 moles of Al
2.25 moles of Al
3.42 moles of Al
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the measured amount of a product obtained from a chemical reaction?
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
2Al + 3H2SO4 -> Al2(SO4)3 + 3H2
How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with aluminum?
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