a scientist tries to generate a mixture of gases similar to a volcano by introdu

Question

a scientist tries to generate a mixture of gases similar to a volcano by introducing 30.0g of water vapor, 7.5 g of SO2, and 2.0 g of CO2 into a 30.0 L vessel held at 110.0C. Assuming the gases do not react with each other, calculate the partial pressure of each gas and the total pressure of the mixture a scientist tries to generate a mixture of gases similar to a volcano by introducing 30.0g of water vapor, 7.5 g of SO2, and 2.0 g of CO2 into a 30.0 L vessel held at 110.0C. Assuming the gases do not react with each other, calculate the partial pressure of each gas and the total pressure of the mixture

Explanation / Answer

moles of water vapour = 30.0/18 = 1.67 mol

moles of SO2 = 7.5 / 64 = 0.0234 mol

Moles of CO2 = 2.0 / 44 = 0.0454 mol

PH2O = nRT/V = 1.67 * 0.0821* 383/ 30.0 = 1.75 atm

PSO2 = 0.0234 * 0.0821 * 383 / 30.0 = 0.0245 atm

PCO2 = 0.0454 * 0.0821 * 383 / 30.0 = 0.0476 atm

And total P = 1.75 + 0.0245 + 0.0476 = 1.82 atm

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