Stoichiometry Review
Authored by Oscar Lopez
Chemistry
10th - 11th Grade
NGSS covered
Used 27+ times
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53 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2 KClO3 → 2 KCl + 3 O2
How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely?
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
45 sec • 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
45 sec • 1 pt
CH4 + 2 O2 → CO2 + 2 H2O
How many moles of carbon dioxide are produced from the combustion of 110 g of CH4?
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
This is the equation for the catalytic oxidation of ammonia.
4NH3 + 5O2 --> 4NO + 6H2O. How many moles of NO are formed if 824 g of NH3 react?
4 moles
48.5 moles
97 moles
824 g
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
This is the equation for the catalytic oxidation of ammonia.
4NH3 + 5O2 --> 4NO + 6H2O. How many grams of water are formed if 2.5 moles of NH3 are oxidized?
67.555 g
2 moles
.092592592 moles
5
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
This is the equation for the catalytic oxidation of ammonia.
4NH3 + 5O2 --> 4NO + 6H2O. How many moles of oxygen are needed to react with 4.6 moles of ammonia?
20 g
5 moles
5.8 moles
11.6 moles
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Mercury (II) oxide decomposes into mercury and oxygen gas according to the following balanced equation:
2HgO --> 2Hg + O2
How many moles of HgO are needed to produce 125 g of oxygen?
7.81 moles
8 g
14 moles
250 g
Tags
NGSS.HS-PS1-7
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