pH calculator

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Result

pH2

[H⁺]0.01 mol/L

pOH12

Step-by-step solution

Hydrogen ion concentration

[H⁺] = c = 0.01 mol/L

pH

pH = −log[H⁺] = 2

Key formulas

pH: pH = −log[H⁺]
pOH: pOH = −log[OH⁻], pH + pOH = 14
Weak acid: [H⁺] ≈ √(K_a·c)
Buffer: pH = pK_a + log([A⁻]/[HA])
Dilution: c₁V₁ = c₂V₂

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