pH Calculator

mol/L

Scientific notation works, e.g. 1e-7

pH

3 pH

[H⁺]
1.0000e-3 mol/L
pOH
11 pOH
[OH⁻]
1.0000e-11 mol/L
Solution is
Acidic

Assumes 25 °C (Kw = 1.0 × 10⁻¹⁴) and ideal behavior (concentration used in place of activity).

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