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If the pH of a solution is 4. Its [H⁺] concentration is
Question

If the pH of a solution is 4. Its [H⁺] concentration is

A.

0.04 M

B.

10⁻⁴ M

C.

4 M

D.

10⁴ M

Correct option is B


pH = -log[H⁺]; so for pH = 4, [H⁺] = 10⁻⁴ M.

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