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One litre of N//2 HCl solution was heate...

One litre of `N//2 HCl` solution was heated in a beaker. When the volume was reduced to `600 mL`, `9.125 g` of `HCl` 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

`underset({:(0.5 N xx 1 L),(= 0.5 Eq),(= 0.5 xx 363.5 g),(= 18.25 g):})(HCl) overset(Delta)rarr underset(600 mL)(HCl)`
Mass of `HCl` left after heating `= 18.25 - 9.125`
`= 9.125 g`
`N_("new")` of `HCl = (9.125 xx 1000)/(36.5 xx 600) = 0.416 N`
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