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The volume of HCl gas weighing 73 g at STP is ……(a) 2.24 x 10-2m3 (b) 4.48 x 10-2m3 (c) 4.48 x 10-2m3 (d) 2.24 x 10-2m3 |
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Answer» (b) 4.48 x 10-2m3 HCl = Molar mass = 1 + 35.5 = 36.5 g 36.5 g of HCl occupies 2.24 x 10-2 m3 ∴ 73 g of HCl at STP will occupy (2.24 x 10-2)/36.5 x 73 = 4.48 x 10-2 m3 |
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