One mole of a light gas (mol. wt. =32) occupies a volume of 20L under certain conditions. Under the same conditions two moles of a heavy gas (mol. wt.= 64) occupies a volume of:
A
80L
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B
40L
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C
10L
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D
20L
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Solution
The correct option is D40L V1n2=V2n1 20×2=V2×1 Thus, V2=40L