Chemical Reaction Mass Calculations
Authored by Ashley Bell
Chemistry
8th Grade
Used 12+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2H₂ + O₂ → 2H₂O
8 g 32 g ? g
What is the mass of 2H₂O?
30 g
40 g
48 g
52 g
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
C + O₂ → CO₂
12 g 28 g ? g
What is the mass of CO₂?
30 g
36 g
40 g
44 g
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
N₂ + 3H₂ → 2NH₃
14 g ? g 34 g
What is the mass of 3H₂?
14 g
18 g
20 g
26 g
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2Na + Cl₂ → 2NaCl
46 g 71 g ? g
What is the mass of 2NaCl?
100 g
117 g
120 g
130 g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2Mg + O₂ → 2MgO
? g 32 g 72 g
What is the mass of 2Mg?
32 g
38 g
40 g
44 g
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2K + Cl₂ → 2KCl
78 g ? g 113 g
What is the mass of Cl₂?
29 g
35 g
40 g
45 g
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2H₂ + O₂ → 2H₂O
? g 24 g 36 g
What is the mass of 2H₂?
10 g
12 g
14 g
18 g
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