Problem: A mixture containing 0.768 mol  He(g), 0.286 mol Ne(g), and 0.116 mol  Ar(g) is confined in a 10.00-L vessel at 25 oC.Calculate the partial pressure of He in the mixture.

FREE Expert Solution

$\overline{){\mathbf{PV}}{\mathbf{=}}{\mathbf{nRT}}}$

P = pressure, atm
V = volume, L
n = moles, mol
R = gas constant = 0.08206 (L·atm)/(mol·K)
T = temperature, K

Problem Details

A mixture containing 0.768 mol  He(g), 0.286 mol Ne(g), and 0.116 mol  Ar(g) is confined in a 10.00-L vessel at 25 oC.

Calculate the partial pressure of He in the mixture.

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What scientific concept do you need to know in order to solve this problem?

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