Mass to Mass and Mixed Stoichiometry

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nitric acid is formed by the reaction of nitrogen dioxide with water:
NO2 (g) + H2O (l) → NO (g) + HNO3 (aq)
How many moles of water are needed to react with 8.4 mol NO2?
2.8 mol H2O
3.0 mol H2O
8.4 mol H2O
25 mol H2O
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Phosphorus trifluoride is formed from its elements:
P4 (s) + F2 (g) → PF3 (g)
How many grams of fluorine are needed to react with 6.20 g of phosphorus?
2.85 g F2
5.70 g F2
11.4 g F2
37.2 g F2
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or False
A mole ratio is always written with the larger number in the denominator.
Never
Sometimes
True
False
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Every stoichiometric calculation uses a balanced chemical equation.
Never
Sometimes
True
False
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What volume of H2 can be prepared from the reaction of 3.27 g of zinc:
Zn + HCl → ZnCl2 + H2
1.12 L H2
2.24 L H2
1.64 L H2
0.56 L H2
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Given the reaction:
SO2 (g) + O2 (g) → SO3 (g)
What is the total number of liters of SO3 produced when 32.0 L of SO2 reacts completely?
11.2 L
32.0 L
40.0 L
44.8 L
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the total number of moles of water needed to make 2.5 moles of C6H12O6?
CO2 + H2O → C6H12O6 + O2
2.5
6.0
12
15
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