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pH Calculator
Calculate pH, pOH, [H+] and [OH-]
Input Type
pH value
pOH value
H+ concentration (M)
OH- concentration (M)
Value
Calculate
How it works:
pH = -log[H+], pOH = -log[OH-], pH + pOH = 14 (at 25 C). Acidic solutions have pH < 7, neutral pH = 7, basic pH > 7.