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Solution of {0.1}{N}{N}{H}_{{{4}}}{O}{H} and {0.1}{N}{N}{H}_{{

Question

Solution of $0.1 N N H_{4} O H$ and $0.1 N N H_{4} C l$ has $p H 9.25$ , then find out $K_{b}$ of $N H_{4} O H$ .

9.25

4.75

3.75

8.25

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Solution of

0.1 N N H_{4} O H

and

0.1 N N H_{4} C l

has

p H 9.25

, then find out

K_{b}

N H_{4} O H

7 mins ago

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7 mins ago

Text solutionVerified

Solution of

N H_{4} O H

and

N H_{4} C l

acts as a basic buffer solution. For basic buffer solution

p O H = p K_{b} + lo g . \frac{[ salt ]}{[ base ]}

p O H = 14 - p H

= 14 - 9.25 = 4.75

4.75 = p K_{b} + lo g . \frac{0.1}{0.1}

p K_{b} = 4.75

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Question Text	Solution of $0.1 N N H_{4} O H$ and $0.1 N N H_{4} C l$ has $p H 9.25$ , then find out $K_{b}$ of $N H_{4} O H$ .
Answer Type	Text solution:1
Upvotes	150