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One litre of N"/"2 HCI solution was heat...

One litre of `N"/"2 HCI` solution was heated in a beaker. When the volume was reduced to `600mL, 9.125 g` of HCI was lost out, the new normality of solution is

A

`~~0.4`

B

`~~0.8`

C

`~~0.4`

D

`~~0.2 `

Text Solution

Verified by Experts

The correct Answer is:
C
`HCl overset( Delta ) to HCl, 0. 5 N xx 1 L = 0. 5 Eq = 0. 5 xx 36.5 g = 18.25 g`
Mass of HCl left after heating `= 18. 25 - 9.125 = 9.125 g`
`N _( "new") of HCl = ( 9.125 xx1000)/( 36.5 xx 600)= 0. 41 6 N`
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