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1 L of a gas at STP weighs 1.97 g. What is the vapour density of the gas? |
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Answer» 22.4 L of the gas at STP will weigh 1.97 × 22.4 = 44.1 g ie., molecular mass = 44.1. Hence vapour density V = mass/volume = 44.1/2 = 22.05 |
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