In the gas equation PV = RT, V represents the volume of :
A
1 mol of gas
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B
1 g of gas
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C
1 litre of gas
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D
any mass of gas
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Solution
The correct option is A 1 mol of gas In the equation PV=nRT, R is the universal gas constant which has the units as Jmol−1K−1. Comparing the units on both the sides we see that the n has the units of moles. Thus the equation PV=RT represents the volume of 1 mole.