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The vapour density of a gas is 35.5. The volume occupied by 3.55 gms of the gas at N.T.P. is

(a) 1.12 litres

(b) 11.2 litres

(c) 22.4 litres

(d) 44.8 litres

1 Answer

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Best answer

Correct option is (a) 1.12 litres

Mol. mass = 2 x 35.5 = 71 g

Vol. of 3.55 g of gas at STP = \(\frac{22.4 \times 3.55}{71} = 1.12\ l\)

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