Stoichiometry Practice

Quiz
•
Science
•
11th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Balance the following reaction:
Mg(s) + HCl(aq) --> MgCl₂(aq) + H₂(g)
1,2,1,2
2,1,1,2
1,2,1,1
1,2,2,2
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given the combustion reaction C3H8 + 5O2 → 3CO2 + 4H2O, how many liters of carbon dioxide can be produced from 1.00 liter of O2 at standard temperature and pressure?
0.600 L
0.825 L
1.21 L
1.67 L
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ammonia is produced from the reaction of nitrogen and hydrogen gases. What volume of hydrogen at STP is required to produce 25 g of ammonia?
33 L
1.1 L
49 L
25 L
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
KNO3 --> KNO2 + O2
What coefficients are needed to balance the reaction?
2, 2, 1
2, 3, 2
1, 2, 2
1, 3, 1
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2H2 + O2 → 2H2O
How many moles of oxygen are consumed if 8 moles H2 are used?
2
4
6
8
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2 KClO3 → 2 KCl + 3 O2
How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely?
6.7 mol
1.0 mol
10.1 mol
4.5 mol
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2Na + 2H2O → 2NaOH+ H2
How many grams of hydrogen are produced if 120 g of Na are available?
5.2 g
2.6 g
690 g
45 g
Tags
NGSS.HS-PS1-7
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