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11. Calculate the pH and the percentage ionization of 0.12 mol/L HOOCCOOH(aq) [Can you use an approximation method?] (3) Whoever is answer please show all

11. Calculate the pH and the percentage ionization of 0.12 mol/L HOOCCOOH(aq) [Can you use an approximation method?] (3)

Whoever is answer please show all your work

13) Arrhenius' theory of acids and bases hypothesizes that the hydroxide ion (OH(a)) gives a base its alkaline properties. NaF (aq) has no hydroxide ion and Arrhenius' theory predicts that this solution should have a pH = 7.00.

Affirm or contradict Arrhenius' theory by calculating the pH of 0.43 mol/L solution of sodium fluoride. (3)

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