# Percent Composition: Question Preview (ID: 29946)

### Below is a preview of the questions contained within the game titled PERCENT COMPOSITION: This Assessment Will Assess Student's Ability To Calculate The Percent Composition Of Each Element In A Compound. To play games using this data set, follow the directions below. Good luck and have fun. Enjoy! [print these questions]

What is the percent composition of nitrogen in sodium nitride?
a) 16.9%
b) 83.1%
c) 64.6%
d) 50%

What is the percent composition for each element in water?
a) 67% H, 33% O
b) 94% H, 6% O
c) 6% H, 94% O
d) 2% H, 16% O

What is the percent composition for each element in ammonia?
a) 14% N, 3% H
b) 82% N, 18 %H
c) 50% N, 50% H
d) 25% N, 75% H

What is the percent composition of calcium carbonate?
a) 57% Ca, 9% C, 34% O
b) 25% Ca, 15% C, 60% O
c) 40% Ca, 12% C, 48% O
d) 40% Ca, 12% C, 16% O

What is the percent composition of each element in magnesium chloride?
a) 50% Mg, 50% Cl
b) 59% Mg, 41% Cl
c) 42% Mg, 58% Cl
d) 26% Mg, 74% Cl

What is the percent composition of each element in calcium phosphate?
a) 39% Ca, 20% P, 41% O
b) 40% Ca, 31% P, 16% O
c) 22% Ca, 25% P, 53% O
d) 30% Ca, 23% P, 47% O

What is the percent composition for each element in ammonium sulfide?
a) 14% N, 1% H, 32% S
b) 28% N, 8% H, 64% S
c) 12% N, 4% H, 28% S, 56% O
d) 21% N, 6% H, 24% S, 48% O

What is the percent composition for each element in sodium sulfate?
a) 23% Na, 45% S, 32% O
b) 23% Na, 32%S, 16%O
c) 32% Na, 45% S, 23% O
d) 32% Na, 23% S, 45% O

What is the percent composition for carbon and hydrogen in ethane, C2H6?
a) 80% C and 20% H
b) 20% C and 80% H
c) 20% C and 60%H
d) 33% C and 66% H

What is the percent oxygen in carbon monoxide?
a) 21.4%
b) 49.2%
c) 50.0%
d) 57.1%

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