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17 Nov 2019
A gas mixture with a total pressure of 755 mmHgcontains each of the following gases at the indicated partial pressures: CO2, 118 mmHg ; Ar, 233 mmHg ; and O2, 196 mmHg . The mixture also contains helium gas.
a) What is the partial pressure of the helium gas?
b) What mass of helium gas is present in a 12.3-L sample of this mixture at 271 K ?
A gas mixture with a total pressure of 755 mmHgcontains each of the following gases at the indicated partial pressures: CO2, 118 mmHg ; Ar, 233 mmHg ; and O2, 196 mmHg . The mixture also contains helium gas.
a) What is the partial pressure of the helium gas?
b) What mass of helium gas is present in a 12.3-L sample of this mixture at 271 K ?
Collen VonLv2
19 Feb 2019