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pH calculator

pH, pOH and hydroxide concentration at 25 °C.

6
Automatic

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mol/L

Formulas

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

How it works

pH, pOH and hydroxide concentration at 25 °C.

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