What is the hydrogen-ion concentration of an aqueous solution having a pH of 4.72?

Question

Quizplus · Accepted Answer

The pH of a solution is defined as the negative logarithm of the hydrogen-ion concentration.
pH = -log[H+]
Rearranging the equation, we get:
[H+] = 10^-pH
Substituting the given pH value in the above equation, we get:
[H+] = 10^-4.72
[H+] = 1.91 × 10^-5 mol/L
Therefore, the hydrogen-ion concentration of the solution is 1.91 × 10^-5 mol/L, which is option D.

What Is the Hydrogen-Ion Concentration of an Aqueous Solution Having