Calculate the pH at each of the following points for the titration of 100 ml of 0. 6 M dl-Histidine with the following volumes of 1.20 M sodium hydroxide. HgHis + H* + H2His" Ka1 = 3.98x103 H2His + H* + HHis2 Ka2 = 9.12x107 HHIS2- + H* + His3. Ka3 = 4.67x10-10 Vol. of N2OH Calculated pH OmL 30 mL 50 mL

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Calculate the pH at each of the following points for the titration of 100 mL of 0. 6 M dl-Histidine with the following
volumes of 1.20 M sodium hydroxide.
H3His + H* + H,His
Ka1 = 3.98x103
H2His + H* + HHİS2-
Ka2 = 9.12x10:7
HHİS2. + H* + His3.
Ka3 = 4.67x1o-10
Vol. of NaOH
Calculated pH
O mL
30 mL
50 mL
Transcribed Image Text:Calculate the pH at each of the following points for the titration of 100 mL of 0. 6 M dl-Histidine with the following volumes of 1.20 M sodium hydroxide. H3His + H* + H,His Ka1 = 3.98x103 H2His + H* + HHİS2- Ka2 = 9.12x10:7 HHİS2. + H* + His3. Ka3 = 4.67x1o-10 Vol. of NaOH Calculated pH O mL 30 mL 50 mL
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