Chemistry

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pH Calculator.

Calculate pH and pOH for an ideal strong monoprotic acid or base concentration.

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pH: 3

pH

3.0000
pOH: 11

pOH

11.0000
Hydrogen-ion concentration: 0.001 mol/L

Hydrogen-ion concentration

0.001000mol/L
Hydroxide-ion concentration: 1.00e-11 mol/L

Hydroxide-ion concentration

1.00e-11mol/L

How to Use

Ideal strong-electrolyte calculation at 25 °C (pKw = 14); activities and weak/polyprotic chemistry are not inferred.