Problem: A gas sample contains 3.50 moles of argon, 2.08 moles of neon and 1.22 moles of nitrogen. If the total pressure of the sample is 3.66 atm, what is the partial pressure of argon?(A) 3.66 atm (B) 22.4 atm (C) 0.179 atm (D) 1.12 atm (E) 1.88 atm

FREE Expert Solution

We’re being asked to calculate the partial pressure of Ar in a mixture of N2, Ne, and Ar


Recall that the partial pressure of a gas (PGas) in a mixture is given by:


Pgas = χgasPtotal

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Problem Details

A gas sample contains 3.50 moles of argon, 2.08 moles of neon and 1.22 moles of nitrogen. If the total pressure of the sample is 3.66 atm, what is the partial pressure of argon?

(A) 3.66 atm 

(B) 22.4 atm 

(C) 0.179 atm 

(D) 1.12 atm 

(E) 1.88 atm

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