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Derivation of Kp and Kc

One litre of ...

Question

One litre of a buffer solution contains 0.01M $N H_{4} C l$ and 0.1 M $N H_{4} O H$ . The $p^{k b}$ of base is 5. $p^{H}$ value of the solution is:

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Solution

The correct option is A 10
=> $p O H = p K_{b} + l o g \frac{[N H_{4} C l]}{[N H_{4} O H]}$
=>pOH = 5 + log(0.1)
=>pOH = 4
=>pH = 10

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Similar questions

0.01 M

{N H}_{4} C l

0.1 M

{N H}_{4} O H

p K_{b}

5

0.01 M N H_{4} O H

N H_{4} C l

(p K_{b} = 4.76)

0.2 M

N H_{4} O H

0.02 M

N H_{4} C l

p K_{b}

5

p H

N H_{4} O H

N H_{4} C l

p K_{b}

N H_{4} O H

N H_{4} C l

N H_{4} O H

p H = 8.7

p K_{b} o f N H_{4} O H = 4.7; antilog (0.6) = 4

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