Question

What is the percent ionization of a 0.01m ha solution?

Answer 1

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Answer 2

The percent ionization of 0.01M HA solution is 10%.

Given:

Concentration of solution = 0.01 M

To find:

Percent ionization = ?

Formula to be used:

$C\alpha^2 = K_a$

where,

C - Concentration of the solution

$\alpha$ - Degree of dissociation or percent ionization

$K_a$ - Dissociation constant

Calculation:

• As the concentration of the solution is given, and the standard $K_a$ for HA is $10^{-4}$ with help of these values the percent dissociation can be calculated as shown:

$C\alpha^2 = K_a$

0.01 × $\alpha^2$ = $10^{-4}$

$\alpha^2$ = $\frac{10^{-4}}{10^{-2}}$

$\alpha^2$ = $10^{-2}$

$\alpha = \sqrt{10^{-2}}$

$\alpha$ = 10

Conclusion:

This the percent ionization of a 0.01M of HA solution is calculated as 10%.

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