Q2 of 35 Page 149

Which scientist presented the pH scale? Write the formula of pH.

The pH scale was presented by S.P.L Sorensen to express the concentration of hydronium ions in a solution conveniently. The range of the pH scale is from 0 to 14 and it is applicable to only aqueous solutions.

The formula to calculate pH is: pH = -log10[H3O + ]


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