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pH Calculator

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pH Calculator for Strong & Weak Monoprotic Acids

pH Calculator

Compute pH for strong acids or weak monoprotic acids

Step 1: Input Parameters

Strong acid: \( \text{pH} = -\log[H^+] = -\log(c) \)

Weak monoprotic acid: \( [H^+] = \frac{-K_a + \sqrt{K_a^2 + 4K_a c}}{2} \), then \( \text{pH} = -\log[H^+] \)