1.

When 100 ml of M/10 NaOH solution and 50 ml of M/5 HCl solution are mixed, the pH of resulting solution would be

Answer»

0
7
Less than 7
More than 7

SOLUTION :100 ml of `(M)/(10) NaOH = 50 ml` of `(M)/(5)NaOH`. They exactly NEUTRALISE 50 ml `(N)/(5)HCl`. Hence pH of resulting solution = 7.


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