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The pKb values for the dibasic base B are pKb1 = 2.10 and pKb2 = 7.38....

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Chemistry

The pKb values for the dibasic base B are pKb1 = 2.10 and pKb2 =7.38. Calculate the pH at each of the following points in thetitration of 50.0 mL of a 0.70 M B(aq) with 0.70 M HCl(aq).

(a) before addition of any HCl ____

(b) after addition of 25.0 mL of HCL ____

(c) after addition of 50.0 mL of HCl  ____

(d) after addition of 75.0 mL of HCl ____

(e) after addition of 100.0 mL of HCl ____

Answer & Explanation Solved by verified expert
3.6 Ratings (624 Votes)
pKb1 210 and pKb2 738Kb1 794103 and Kb2 32108a First dissociation of B isB H2O BHOHInitial07000ChangexxxFinal 070 xxxKb1 794103 xx 070 xx 0070OH BH 0070    See Answer
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