# If you have 21 moles of gas held at a pressure of 78 ATM and a temperature of 900 k, what is the volume of the gas?

##### 1 Answer

Jun 27, 2014

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We have to calculate the volume of the given moles of gas at specific temperature and pressure.

Using Ideal Gas equation;

PV = nRT

V = nRT /P ( R = gas constant = 0.08206 L atm

V= 21 mol x 0.08206 L atm

V= 73.854 L atm / 78 atm = 0.946 L