3.7 g of a gas at 25∘C occupy the same volume as 0.184g of H2 at 17∘C at same pressure. What is moleculer weight of gas?
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CH 105: Lesson 1 - MW & Mixtures of Gases At STP (standard temperature and pressure), the value of RT/P is 22.4 L/mol. This, in fact, is the volume occupied by one mole of gas at STP. So the molecular weight of a gas is equal to 22.4 times its density at STP.
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