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Law of Mass Action

50mL of 0.2...

Question

$50 m L$ of $0.2 M$ ammonia solution is treated with $25 m L$ of $0.2 M$ $H C l$ . If $p K_{b}$ of ammonia solution is $4.75$ , the $p H$ of the mixture will be:

3.75

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4.75

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8.25

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9.25

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Solution

The correct option is D $9.25$

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