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5mL of N HCI, 20 mL of N//2 H(2)SO(4) an...

5mL of `N HCI, 20 mL` of `N//2 H_(2)SO_(4)` and 30 mL of `N//3 HNO_(3)` are mixed together and volume made to one litre. The normality of the resulting solution is

A

`(N)/(5)`

B

`(N)/(10)`

C

`(N)/(20)`

D

`(N)/(40)`

Text Solution

Verified by Experts

The correct Answer is:
D
`NV=N_(1)V_(1)+N_(2)V_(2)+N_(3)V_(3)`
or `1000N=1xx5+(1)/(2)xx20+(1)/(3)xx30orN=(1)/(40)`.
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