## Answers

**Answer 1.24**

The pH range of urine is from 5 to 8. Therefore, the Hydrogen ion concentration is varying from 10^{-5} mol/L to 10^{-8} mol/L.

**Answer 1.25**

Here [H^{+}] is the ionic concentration of protons. [HA] is the weak acid molarity.

We have been provided that [HA] = 0.1M

and, [H^{+}] = 10^{-3} because pH = -log [H^{+}]

Now by putting all values in the formula-

Percent ionization = 1 %

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