7) Glycine (NH2-CH-COOH) is one of the natural amino acid that exist in our body. A 100 ml solution of 0.1 M glycine at

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7 Glycine Nh2 Ch Cooh Is One Of The Natural Amino Acid That Exist In Our Body A 100 Ml Solution Of 0 1 M Glycine At 1 (47.63 KiB) Viewed 305 times

7) Glycine (NH2-CH-COOH) is one of the natural amino acid that exist in our body. A 100 ml solution of 0.1 M glycine at pH 1.72 was titrated with 2.0 M NaOH solution. The titration curve shows below: 12 fi 10 (IV) 8 문 PH 6 (11) 4 N (H) 0.5 1.0 1.5 2.0 OH" (equivalents) Using the knowledge you learnt in acid-base titration, analyse the titration curve above and suggest the chemical component(s) that are exist in (I), (II), (III), (IV) and (V). 8) From question 7, given Ka;= 4.57 x 10º and Ka2 = 2.51 x 10, calculate the pH: at point (1), (II), (III), (IV) and (V).