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QUESTION 6 An unknown weak acid, HA was dissolved in sufficient water to make a 50.0 mL solution. The HA solution was ti
Posted: Sun May 22, 2022 10:57 pm
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- Question 6 An Unknown Weak Acid Ha Was Dissolved In Sufficient Water To Make A 50 0 Ml Solution The Ha Solution Was Ti 1 (16.78 KiB) Viewed 12 times
QUESTION 6 An unknown weak acid, HA was dissolved in sufficient water to make a 50.0 mL solution. The HA solution was titrated with 27.4 mL of 0.135 M KOH solution to reach equivalence point. Calculate the pH of the solution at the equivalence point. Given the K, for A is 7.143 x 109. (Answer: pH 9:27) (5 marks)