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two moles of nitrogen gas, ten moles of oxygen gas, and three moles of carbon dioxide gas are mixed. calculate the partial pressure of CO2 gas, when the total pressure is 720 torr

Sagot :

Answer:

144 Torr

Explanation:

Partial Pressure is determined by multiplying a gas's mole fraction and multiplying this by the total pressure.

The mole fraction is calculated by dividing the moles of gas y the totalt moles of gas in the system, so if there are three moles of CO2 and 2 mol NO2 + 10 mol O2 + 3 mol CO2 then;

3/15 = 0.20 (mol frac. CO2)

Next, multiply by the total pressure;

(720 Torr)(0.20) = 144 Torr (partial p CO2)

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