Standard Temperature and Pressure Video Lessons

Concept: Standard Temperature and Pressure

# Problem: Use the molar volume of a gas at STP to determine the volume (in L) occupied by 30.1 g of neon at STP.

###### FREE Expert Solution

From the Ideal Gas Law:

$\overline{){\mathbf{PV}}{\mathbf{=}}{\mathbf{nRT}}}\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}\mathbf{n}\mathbf{=}\frac{\mathbf{m}}{\mathbf{M}}\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}\left(\mathrm{PV}=\frac{m}{\overline{)M}}\mathrm{RT}\right)\overline{)\mathbf{M}}\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}\frac{\overline{)\mathbf{P}}\mathbf{V}\overline{)\mathbf{M}}}{\overline{)\mathbf{PM}}}\mathbf{=}\frac{\mathbf{mRT}}{\mathbf{PM}}\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}\overline{){\mathbf{V}}{\mathbf{=}}\frac{\mathbf{mRT}}{\mathbf{PM}}}$

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###### Problem Details

Use the molar volume of a gas at STP to determine the volume (in L) occupied by 30.1 g of neon at STP.