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  4. Temperature and pressure of 2 g oxygen are 27° C and 76 cm Hg, then volume of the gas is:

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Q. Temperature and pressure of $2\, g$ oxygen are $27^{\circ} C$ and $76\, cm\, Hg$, then volume of the gas is:

Rajasthan PMTRajasthan PMT 2001Kinetic Theory

Solution:

According to gas equation
$P V =n R T$
$V=\frac{n R T}{P} =\frac{2 / 32 \times 8.31 \times 300}{1 \times 10^{5}}$
$=1.53$ litre