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Question: Answered & Verified by Expert
$n$ moles of an ideal gas at temperature $T$ (in kelvin) occupy $V \mathrm{~L}$ of volume, exerting a pressure of $P$ atmospheres. What is the concentration (in $\mathrm{mol} / \mathrm{L}$ ) ?
ChemistrySome Basic Concepts of ChemistryTS EAMCETTS EAMCET 2001
Options:
  • A $\frac{P}{R T}$
  • B $\frac{P T}{R}$
  • C $\frac{R T}{P}$
  • D $\frac{R}{P T}$
Solution:
1149 Upvotes Verified Answer
The correct answer is: $\frac{P}{R T}$
$\begin{aligned} & P V=n R T \\ & \qquad \begin{aligned} V & =\frac{P}{R T} \\ \text { Concentration } & =\frac{P}{R T}\end{aligned}\end{aligned}$
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