The Ideal Gas Law to Determine the Molecular Weights of Gas

At a given temperature a certain number of grams of CH4, when placed in a 10 L vessel, exerts a pressure of 0.240 atm. An equal number of grams of gas B, when placed in a 12 L container at the same temperature, exerts a pressure of 0.145 atm. Calculate the approximate molecular weight of gas B.

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...ethod can give us only approximate value for the molecular weight of gas B since we are assuming that both ...