The vapour density of a gas is 22.4. The density of the gas at NTP is?

2

g/ L

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1

g/ L

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3

g/ L

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1.5

g/ L

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Solution

The correct option is A $2$ g/ L
Mass of a gas= $2 \times$ Vapour density

Molar mass = $2 \times 22.4 = 44.8$

Density = $\frac{m a s s}{v o l u m e} = \frac{44.8}{22.4} = 2 g m / l i t$ .

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The vapour density of a gas is 11.2. The volume occupied by 11.2 g of the gas at ATP will be

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