The volume of $1 g$ each of methane $(C H_{4})$ , ethane $(C_{2} H_{6})$ , propane $(C_{3} H_{8})$ and butane $(C_{4} H_{10})$ was measured at $350 K$ and $1 a t m$ . What is the volume of butane ?

495 c m^{3}

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600 c m^{3}

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900 c m^{3}

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1700 c m^{3}

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Solution

The correct option is A $495 c m^{3}$
1 g $C H_{4}, C_{2} H_{6} C_{3} H_{8} C_{4} H_{10}$
T = 350 K, P = 1 atm
$P V = n R T = \frac{w \times R \times T}{M}$
$1 \times V = \frac{1}{58} \times 0.0821 \times 350$
$V = 0.495 L$
$V = 495 c m^{3}$

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