6. 0.157g of a certain gas collected over waterOccupies a volume of 135ml at 27°C and Duof Hg. Assuming ideal behaviour, the molecularweight of the gas is (aqueous tension at 27°C 1s26.7 mm of Hg)1) 30 2 32 3) 28 4) 16
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Answer: (1) 30 g
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