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CBSE Class 10 Answered

how to calculate ph??
Asked by Sanmit Ratnaparkhi | 03 Sep, 2014, 05:46: PM
answered-by-expert Expert Answer

To calculate the pH of a strong acid or base, you must first determine the concentration of the hydrogen ions. Then the pH is equal to minus the logarithm of the concentration value.

For example:

Calculate the pH for a specific [H+]. Calculate pH given [H+] = 1.4 x 10-5 M

pH = -log10[H+]
pH = -log10(1.4 x 10-5)
pH = 4.85

Answered by Arvind Diwale | 03 Sep, 2014, 06:40: PM

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