Unit 4: Stoichiometry Review
Authored by Elizabeth Howard
Chemistry
10th Grade
NGSS covered
Used 8+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ca + 2 H2O → Ca(OH)2 + H2
What coefficients are needed to balance the equation?
1,2,1,1
2,1,2,1
1,1,1,2
2,2,1,1
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ca + 2 H2O → Ca(OH)2 + H2
What is the molar mass of calcium hydroxide?
74.1 g/mol
58.1 g/mol
100.1 g/mol
90.1 g/mol
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ca + 2 H2O → Ca(OH)2 + H2
What is the molar ratio between calcium and water?
1:2
1:1
2:1
1:3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ca + 2 H2O → Ca(OH)2 + H2
What is the mass of 7.5 moles of calcium hydroxide?
555.8 g
370.5 g
450.0 g
600.0 g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ca + 2 H2O → Ca(OH)2 + H2
How many particles of Ca are in 3.0 moles of H2?
1.8 x 1024
6.0
6.02 x 1023
3.01 x 1023
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaCl + AgNO3 → AgCl + NaNO3
If 15.0 g of NaCl reacts with 20.0 grams of AgNO3, what is the limiting reactant when forming AgCl?
AgNO3 is the limiting reactant.
NaCl is the limiting reactant.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaCl + AgNO3 → AgCl + NaNO3
If 15.0 g of NaCl reacts with 20.0 grams of AgNO3, what is the theoretical yield?
16.9 g
10.0 g
20.5 g
5.0 g
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