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Ammonia gas is passed into water, yieldi...

Ammonia gas is passed into water, yielding a solution of density `0.93 g//cm^(3)` and containing 18.6% `NH_(3)` by weight. The mass of `NH_(3)` per cc of the solution is

A

`0.17g//cm^(3)`

B

`0.34g//cm^(3)`

C

`0.51g//cm^(3)`

D

`0.68g//cm^(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
`M=(x xx d xx10)/("Mol. Mass of solute")=(18.6xx0.93xx10)/(1.7)="10.17 moles/litre"`
`"Mass of NH"_(3) " per cc"=(10.17xx17)/(1000)="0.172 gm/cc"`
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