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Kinetic Theory of Gases

The volume oc...

Question

The volume occupied by $1.8 g$ of water vapour at $374$ °C and $1 b a r$ pressure will be:-
$[R = 0.083 b a r L K^{- 1} m o l^{- 1}]$

96.66 L

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55.87 L

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3.10 L

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5.37 L

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Solution

The correct option is D 5.37 L
$P V = n R T$
$n = 1.8 / 18 = 0.1 m o l$
$P = 1 b a r$
$T = 374 + 273 = 647 K$
$V = \frac{n R T}{P} = \frac{0.1 \times 0.083 \times 647}{1} = 5.37 L$

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