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Question

In a gas equation, PV = RT, V refers to the volume of:


A
any amount of a gas
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B
one gram mass of a gas
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C
one gram mole of gas
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D
one litre of gas
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Solution

The correct option is C one gram mole of gas
Given PV = RT
Comparing with the ideal gas equation, PV = nRT, we
find that here n = 1
So, number of moles = 1
Hence we must refer to molar volume
So, C is the correct answer.

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