The pH of an aqueous — JEE Mains Chemistry Past Papers Chemistry Question

💡 Solution & Explanation

   a s a s 1M Benzoic acid 1M Sodium Benzoate (V ml) (V ml) Millimole V V pH = 4.5 pH = pka + [salt] log[acid] 4.5 = 4.2 +       s a V log V  s a V V ……(1)   s a V V ...... (2) Va = 100 ml