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c) An acidic buffer solution contains 0.40 mol dm-propanoic acid (CH3CH2COOH) and 0.70 mol dm potassium propanoate (CH3C
Posted: Sun May 22, 2022 3:48 pm
by answerhappygod
- C An Acidic Buffer Solution Contains 0 40 Mol Dm Propanoic Acid Ch3ch2cooh And 0 70 Mol Dm Potassium Propanoate Ch3c 1 (35.04 KiB) Viewed 9 times
c) An acidic buffer solution contains 0.40 mol dm-propanoic acid (CH3CH2COOH) and 0.70 mol dm potassium propanoate (CH3CH2COO-K+). For propanoic acid, Ka = 1.35 x 10-5 mol dm3 i) ii) Write an expression for the Ka of propanoic acid. Calculate the concentration of H3O+ ions. Give your answer to 2 d.p. Calculate the pH of the solution. Give your answer to 2 d.p. iii) (4 marks)