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Ratio problem

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Ratio problem

by selango » Fri May 21, 2010 7:35 am
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 is 144 gms of water?

A)16

B)72

C)112

D)128

E)142
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by liferocks » Fri May 21, 2010 7:47 am
Amount of oxygen=[spoiler]144*16/18=8*16=128[/spoiler]

Ans option D
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