Calculate the volume of a gas mixture consisting of 0.3 mol H2, 0.4 mol N2 and 0.3 mol CO2.

1.find the chemical amount of the whole mixture:

n (mixtures) = n (H2) + n (N2) + n (CO2) = 0.3 + 0.4 + 0.3 = 1 mol;

2.Calculate the volume of the mixture:

V (mixture) = n (mixture) * Vm = 1 * 22.4 = 22.4 dm3.

Answer: 22.4 dm3.



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