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Correct expression for density of an ide...

Correct expression for density of an ideal gas mixture of two gases 1 and 2, where `m_(1)` and `m_(2)` are masses and `n_(1)` and `n_(2)` are moles and `M_(1)` and `M_(2)` are molar masses.

A

`d=((m_(1)+m_(2)))/((M_(1)+M_(2)))`

B

`d=((m_(1)+m_(2)))/((n_(1)+n_(2)))(P)/(RT)`

C

`d=((n_(1)+n_(2)))/((m_(1)+m_(2)))xx(P)/(RT)`

D

None of these

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The correct Answer is:
b
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