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5 mL of N HCI, 20 mL of N/2 H2 SO4 and 3...

5 mL 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 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
`Meq . " of " HCl = 5 xx 1 = 5 `,
` Meq . " of " H_2 SO_4 = 20 xx (1//2) = 10 ,`
`Meq. " of " HNO_3 = 30 xx (1//3) = 10 ,`
Thus, total Meq. of acid = 5 + 10 + 10 = 25
Total volume = 1000 mL
Also Meq. = N`xx` V ` therefore N =(25 )/( 1000 ) = (1)/(40)`
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