You visited us 1 times! Enjoying our articles? Unlock Full Access!

Acidic Buffer Action

What is pH ...

Question

What is $p H$ of $0.01 M$ $N a_{2} H P O_{4}$ if $p K_{a}$ is $6$ ?

Open in App

Solution

The pH can be obtained by using the following expression.
$p H = \frac{1}{2} p K_{w} + \frac{1}{2} p K_{a} + \frac{1}{2} l o g c$
Substitute values in the above expression.
$p H = \frac{1}{2} \times 14 + \frac{1}{2} \times 6 + \frac{1}{2} \times l o g 0.01 = 7 + 3 - 1 = 9$

Suggest Corrections

Similar questions

(0.01 M)

p K_{a} = 6

p K_{a} = 6

p H

0.01 M

H C N

{p K}_{a}

4

p H

0.1

N a_{2} H P O_{4}

0.2

N a H_{2} P O_{4}

p K_{a}

H_{2} P O_{4}

2.2, 7.2

12.0

25^{\circ} C

Join BYJU'S Learning Program