Expert's Response

Problem Statement:
How many mol of CH4 are in a 150 L tank exerting a pressure of 20.0 atm when the temperature is 24.0 degrees Celsius?

Solve for the unknown.

Substituting the values from the Table into the Ideal Gas Equation

PV = nRT

 

(20.0 atm) (150 L) = n (0.0821 L atm mol-1 K-1) (297 K)

Solving for the unknown, n, in the problem;

n = 123 mol CH4

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