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Written answers 1

Chemistry

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Written answers 1. 30.0 mL of 0.20 mol/L HOCN is titrated with 0.250 mol/L KOH. Show full solutions with all relevant chemical equations. a) What is the pH of HOCN before titration? (4) b) What is the pH of the solution if 12.0 mL KOH is added? (5) c) Predict the pH of the solution at equivalence. Explain using chemical equations. No calculations required.(2)