Stoichiometry Practice
Flashcard
•
Chemistry
•
10th - 11th Grade
•
Practice Problem
•
Hard
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20 questions
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1.
FLASHCARD QUESTION
Front
How many moles of HCl are consumed in the production of 7.5 moles of MgCl₂ using the equation: Mg + 2HCl --> MgCl₂ + H₂?
Back
15 moles
2.
FLASHCARD QUESTION
Front
What is the first thing you must do to solve a stoichiometry problem?
Back
Write a Balanced Equation
3.
FLASHCARD QUESTION
Front
2H2 + O2 → 2H2O
How many moles of water can be produced if 8 moles H2 are used?
Back
8 moles
4.
FLASHCARD QUESTION
Front
For the Balanced Reaction: 3 Mg + 1 Fe2O3 → 3 MgO + 2 Fe; What is the Ratio of moles of Mg to moles Fe?
Back
3mol Mg / 2 mol Fe
5.
FLASHCARD QUESTION
Front
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from 6 moles H2?
Back
4 moles Fe
6.
FLASHCARD QUESTION
Front
N2 + 3H2 → 2NH3
How many moles of hydrogen are needed to react with 2 moles of nitrogen?
Back
6
7.
FLASHCARD QUESTION
Front
N2 + 3H2 → 2NH3 What is the mole ratio between N2 and NH3 in the above reaction?
Back
2 moles NH3 / 1 moles N2
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