${22.4 d m}^{3}$ of a gas weighs $W$ at STP. The vapour density of the gas is:

2 W

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\frac{W}{2}

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W

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4 F W

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Solution

The correct option is C $\frac{W}{2}$
Mass of gas $= 2 \times$ Vapour density.
$∴$ Vapour density $= \frac{M a s s o f a g a s}{2}$
$∴$ Vapour density $= \frac{W}{2}$ .

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22.4 dm3 of a gas weighs W at STP. The vapour density of the gas is:

The correct option is C W2Mass of gas =2× Vapour density.∴ Vapour density =Massofagas2∴ Vapour density =W2.

${22.4 d m}^{3}$ of a gas weighs $W$ at STP. The vapour density of the gas is:

The correct option is C $\frac{W}{2}$
Mass of gas $= 2 \times$ Vapour density.
$∴$ Vapour density $= \frac{M a s s o f a g a s}{2}$
$∴$ Vapour density $= \frac{W}{2}$ .