What is stoichiometry?
4.5 Stoichiometry (AP Chemistry)

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Chemistry
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12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
Stoichiometry is the branch of chemistry that deals with the calculation of reactants and products in chemical reactions based on the conservation of mass.
2.
FLASHCARD QUESTION
Front
What is the molar mass of CH₄ (methane)?
Back
The molar mass of CH₄ is 16 g/mol.
3.
FLASHCARD QUESTION
Front
How do you calculate moles from grams?
Back
Moles = mass (g) / molar mass (g/mol).
4.
FLASHCARD QUESTION
Front
In the reaction 1 CH₄ + 2 O₂ → 1 CO₂ + 2 H₂O, how many moles of CO₂ are produced from 1 mole of CH₄?
Back
1 mole of CO₂ is produced from 1 mole of CH₄.
5.
FLASHCARD QUESTION
Front
What is the mole ratio of KClO₃ to O₂ in the reaction 2 KClO₃ → 2 KCl + 3 O₂?
Back
The mole ratio is 2 moles of KClO₃ to 3 moles of O₂.
6.
FLASHCARD QUESTION
Front
How many moles of O₂ are produced from 6.7 moles of KClO₃?
Back
10.1 moles of O₂ are produced.
7.
FLASHCARD QUESTION
Front
In the reaction Fe₂O₃ + 3H₂ → 2Fe + 3H₂O, what is the mole ratio of H₂ to Fe?
Back
The mole ratio is 3 moles of H₂ to 2 moles of Fe.
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