Question

If the pH of an acid is 5.1, what is the concentration of the H+?

Answer 1

[H+] = 7.94x10^-6 M

Step-by-step explanation

Given:

pH = 5.1

Required: The concentration of H+

Solution

pH = -log[H+]

5.1 = - log [H+]

[H+] = 10^-5.1

[H+] = 7.94x10^-6 M