

Stoichiometry and Molar Calculations
Interactive Video
•
Chemistry, Science, Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main topic discussed in the video tutorial?
Stoichiometry
Physics
Biology
Organic Chemistry
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the number of moles from a given mass?
Multiply mass by molecular mass
Divide mass by molecular mass
Add mass to molecular mass
Subtract mass from molecular mass
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molecular mass of calcium hydroxide (Ca(OH)2)?
100 g/mol
40 g/mol
56 g/mol
74 g/mol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What volume does one mole of any gas occupy at STP?
22.4 dm³
24 dm³
20 dm³
18 dm³
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many moles of chlorine gas are present in 7200 cm³ at STP?
0.2 moles
0.5 moles
0.4 moles
0.3 moles
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the limiting reactant in the reaction between calcium hydroxide and chlorine gas?
Water
Calcium hydroxide
Chlorine gas
Calcium chlorate
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many moles of calcium chlorate can be produced from the limiting reactant?
0.02 moles
0.5 moles
0.12 moles
0.3 moles
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