Would you expect a solution of ammonium chloride (NH,Cl) to be acidic or basic when added to water? (K, NH, = 1.8 x 10) (2 marks) What is the pH of a 1.15 M solution of methanoic acid? K = 1.8 x 104 (4 marks) What is the pH of a 0.350 M solution of lithium citrate? (K, Citric Acid = 7.4 x 104) (4 marks) A 50.0 mL solution of 0.150 M acetic acid (CH COOH) is titrated with 0.150 M NaOH. What is the pH after 20.0 mL of base has been added? K CH.COOH = 1.8 x 105