A gas cylinder of capacity 50 dm3 is filled with gas X, the mass of which is 20 g. When the same cylinder is filled with hydrogen at same temperature & pressure, the mass of hydrogen is 5 g, hence the relative molecular mass of the gas is
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A gas cylinder of capacity of 20 dm3 filled with gas X the mass of which is 10 g. 'when the same cylinder is filled with hydrogen gas at the same temperature and pressure the mass of the hydrogen is 2 g, hence the relative molecular mass of the gas is: 5. 10.
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