
LT5.3 Stoichiometry
Authored by NeQuelle DeFord
Chemistry
10th Grade
Used 3+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
N2 + 3 H2 → 2 NH3
How many moles of hydrogen are needed to react with 2 moles of nitrogen?
6 mol H2
2 mol H2
3 mol H2
1 mol H2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2 H2 + O2 → 2 H2O
How many moles of water can be produced if 8 moles H2 are used?
4 mol H2O
8 mol H2O
16 mol H2O
2 mol H2O
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the ratio of moles of nitrogen to ammonia in the following reaction?
N2 + 3 H2 → 2 NH3
1 : 2
1 : 1
1 : 3
2 : 3
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Fe2O3(s) + 3 H2(g) → 2 Fe(s) + 3 H2O(l)
How many moles of iron can be made from 3 moles of Fe2O3?
6 moles Fe
4 moles Fe
2 moles Fe
1 moles Fe
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Fe2O3(s) + 3 H2(g) → 2 Fe(s) + 3 H2O(l)
How many moles of iron can be made from 6 moles H2?
4 moles Fe
6 moles Fe
9 moles Fe
2 moles Fe
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2 KClO3 → 2 KCl + 3 O2
How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely?
6.73 mol O2
1.05 mol O2
10.05 mol O2
4.50 mol O2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the mole ratio in the following reaction?
2 CO + O2 → 2 CO2
2 : 1 : 2
1 : 1 : 1
1 : 2 : 1
Have no clue what a mole ratios is!!
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