What is the concentration of hydrogen ions [H+] in a solution of pH = 4.0?

1 * 104M

4 * 10-4M

2 * 10-2M

1 * 10-4M

Question

Corinne Golden

2 January, 06:25

+2

Answers (1)

Know the Answer?

Ulises · Answer 1

All we need to do is used the following formula:

[H+] = 10^-pH

so

[H+] = 10^-4.0 = 1 x 10^-4 M

the answer is the last choice

What is the concentration of hydrogen ions [H+] in a solution of pH = 4.0?1 * 104M4 * 10-4M2 * 10-2M1 * 10-4M