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A mixture of NO2 and N2O4 has a vapour d...

A mixture of `NO_2` and `N_2O_4` has a vapour density of 38.3 at 300K. What is the number of moles of `NO_2` in 140g of the mixture?

A

0.608

B

0.785

C

4.578

D

1.45

Text Solution

Verified by Experts

The correct Answer is:
A
`pH=(pK_(a_1)+pK_(a_2))/2=(5+7)/2=6`
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