A cylinder contains 30.5 L of oxygen gas at a pressure of 1.7 atm and a...

Question

Question

A cylinder contains 30.5 L of oxygen gas at a pressure of 1.7 atm and a temperature of 300 K. How much gas(in moles) is in the cylinder?

Answer 1

Answer #1

Volume (V) = 30.5 L

Pressure (P) = 1.7 atm

Temperature (T) = 300 K

Gas Constant (R) = 0.0821 L atm mol^-1 K^-1

PV = nRT

No. of moles (n) = PV / RT = (1.7 atm x 30.5 L) / ( 0.0821 L atm mol^-1 K^-1 x 300 K)

Moles of gas (n) = 2.1 moles

Answer 2

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