Free Practice Question
PS · Problem Solving
sub-505
Fractions/Ratios/Decimals
Water consists of hydrogen and oxygen, and the approximate ratio, by mass, of hydrogen to oxygen is 2:16. Approximately how many grams of oxygen are there in 144 grams of water?
Answer Choices
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16
B
72
C
112
D
128
E
142
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Explanation
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Difficulty
sub-505
Type
PS
Category