# Problem: A cylinder contains 29.0 L of oxygen gas at a pressure of 1.9 atm and a temperature of 305 K .How much gas (in moles) is in the cylinder?

###### FREE Expert Solution

Ideal Gas Law:

$\overline{)\mathbf{PV}\mathbf{=}\mathbf{nRT}}$

Isolate moles (n):

$\mathbf{PV}\mathbf{=}\mathbf{nRT}\phantom{\rule{0ex}{0ex}}\frac{\mathbf{PV}}{\mathbf{RT}}\mathbf{=}\frac{\mathbf{n}\overline{)\mathbf{RT}}}{\overline{)\mathbf{RT}}}\phantom{\rule{0ex}{0ex}}\overline{)\mathbf{n}\mathbf{=}\frac{\mathbf{PV}}{\mathbf{RT}}}$

98% (180 ratings) ###### Problem Details

A cylinder contains 29.0 L of oxygen gas at a pressure of 1.9 atm and a temperature of 305 K .

How much gas (in moles) is in the cylinder?

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