What will be the volume of 3.2 grams of oxygen gas at STP?
A
0.0224 litres
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B
0.224 litres
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C
22.4 litres
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D
2.24 litres
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Solution
The correct option is D 2.24 litres Number of moles = volumeofgas22.4litresvolumeofgas=numberofmoles×22.4numberofmoles=givenmassmolarmass=3.232=0.1molesVolumeofgas=0.1×22.4×=2.24litres