Question: 0 . 3 mol Benzoic acid ( pKA 4 . 2 0 ) was added to a 1 L solution. i ) Calculate the pH

0.3 mol Benzoic acid (pKA 4.20) was added to a 1L solution.
i) Calculate the pH of the solution.
ii) Calculate the corresponding percentage of deprotonation.
iii) Calculate the pH if 10 g of NaOH(s) also was added to the solution.

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