You are titrating a solution containing 1.50 g of a weak acid, HA. The initial pH of this solution is 2.25. Titration of 25.0 mL of this HA solution requires 15.4 mL of a 0.800 M NaOH solution to reach the equivalence point.a) What is the molar mass of HA?6) What is the acid ionization constant, Ka, of HA?c) What is the pH at the equivalence point?d) What is the pH after the addition of only 7.7 mL NaOH (the half-equivalence point)?

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