Question

PH of solution is 4.4 [ H+]=?
1) 3.981 X 10⁻⁵ M
2) 3.981X 10⁻⁴ M
3) 0.3981 X 10⁻⁵ M
4) 0.03981 X 10 ⁻⁵M​

Answer 1

pH of solution=4.4

−log[H +]=4.4

[H+] = antilog 4.4

[H +] =  3.981 X 10⁻⁵ M

so, answer is  3.981 X 10⁻⁵ M