i) 770cm³ of a gas at 27°C and a pressure of 0.90×10^5 Nm^-2 was evolved when a dilute mineral acid reacted with a metal in an open vessel. Calculate the volume which the gas evolved would occupy at S.T.P. ii) If the mass of the gas evolved during the reaction was 123g, calculate the molar mass of the gas evolved.
Standard pressure= 1.01×10^5 Nm^-2; 1 mile of a gas occupies 22.4dm³ at S.t.p?
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Asked by Dapman on 13th December, 2022
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