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Question
When 100ml of M/10NaOH solution and 50ml of M/5HCl solution mixed, then pH of resulting solution would be:
When 100ml of M/10NaOH solution and 50ml of M/5HCl solution mixed, then pH of resulting solution would be:
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Solution
The correct option is B 7
100 ml of M/10 NaOH solution corresponds to 0.01 moles.
50 ml of M/5 HCl solution corresponds to 0.01 moles.
Thus acid and base are present in equal amounts.
Hence, the resulting solution will be neutral with pH 7.
100 ml of M/10 NaOH solution corresponds to 0.01 moles.
50 ml of M/5 HCl solution corresponds to 0.01 moles.
Thus acid and base are present in equal amounts.
Hence, the resulting solution will be neutral with pH 7.
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