pH Calculator
Calculate pH, pOH, [H⁺], or [OH⁻] concentration. Understand acidity and basicity of solutions.
📊 pH Scale: 0-6.9 = Acidic | 7 = Neutral | 7.1-14 = Basic (Alkaline)
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Result
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pH Scale
Visual representation of acidity/basicity
Step-by-Step Calculation
Detailed solution process
pH
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pOH
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[H⁺]
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M
[OH⁻]
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M
Formula Reference
pH and pOH formulas
pH Tips
Understanding pH and concentration
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Chemical Disclaimer: pH = -log[H⁺]. Kw = [H⁺][OH⁻] = 1×10⁻¹⁴ at 25°C. Results are for educational purposes. Always use proper lab safety procedures.