Question

If a gaseous mixture is made of 2.37 g of He and 2.73 g of Ne in an evacuated 1.19 L container at 25°C, what will be the partial pressure of each gas and the total pressure in the container?
Given the following sets of values for three of the gas variables, calculate the unknown.
P = ? mm Hg; V = 26.0 mL; n = 0.007826 mol; T = 15.6°C
Use PV = nRT for He (n = gram/molar mass) and solve for pHe.
Do the same for Ne, then add the partial pressures to obtain total pressure.

#2 use PV = nRT

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