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pH calculator

pH, pOH and hydroxide concentration at 25 °C.

6

Enter known values

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mol/L

Formulas

pH=log10[H+]pH=-\log_{10}[H^+]pOH=14pHpOH=14-pH[OH]=10pOH[OH^-]=10^{-pOH}

How it works

pH, pOH and hydroxide concentration at 25 °C.