The pressure and temperature of two different gases is $P$ and $T$ having the volume $V$ for each. They are mixed keeping the same volume and temperature, the pressure of the mixture will be
A$P / 2$
B$P$
C$2P$
D$4P$
Medium
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C$2P$
c ${\mu _1} = \frac{{PV}}{{RT}},\,\,{\mu _2} = \frac{{PV}}{{RT}}$
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