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grigory [225]
3 years ago
14

A cylinder contains 27.0 L of oxygen gas at a pressure of 1.7 atm and a temperature of 285 K . Part A How much gas (in moles) is

in the cylinder? Express your answer using two significant figures.
Chemistry
1 answer:
MA_775_DIABLO [31]3 years ago
7 0

Answer:

n=2.0mol

Explanation:

Hello.

In this case, we should use the ideal gas equation in order to compute the the moles of oxygen at the given conditions of 27.0 L, 1.7 atm and 285 K as shown below:

PV=nRT\\\\n=\frac{PV}{RT}=\frac{1.7atm*27.0L}{0.082\frac{atm*L}{mol*K}*285K}\\  \\n=2.0mol

Best regards.

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