Question

Can you answer both it would be really helpful

What is the range of hydrogen-ion concentrations in urine? 1.24. 1.25. What is the percent ionization of 0.100M pyruvic acid at pH 3.002 (see Table 1.7)

Answer 1

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

$Percent Ionization = \frac{[H^{+}] \times 100}{[HA]}$

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-

$Percent Ionization = \frac{10^{-3} \times 100}{0.1}$

Percent ionization = 1 %

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