Using Ideal Gas Law Equation:

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

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

A quantity of N_{2} occupies a volume of 1.3 L at 300 K and 1.3 atm . The gas expands to a volume of 3.0 L as the result of a change in both temperature and pressure.

Find the density of the gas at these new conditions.

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