(A) Describe the acid-base characteristics of regions B, D and F and points A, C

Question

(A) Describe the acid-base characteristics of regions B, D and F and points A, C and E.

(B) Suppose that a titration vessel contains 100.00 ml of 0.100M H2B

(K1 = 1.00 x 10-4 and K2= 1.00 x 10 %u20137) and it is titrated with 0.100 M NaOH,

(i) Calculate the volume of OHrequired to reach the equivalence point

(ii) Calculate the pH when 73 mL of OHis added:

(iii) Calculate the pH when 100 ml of OHis added:

(vi) Calculate the pH when 200 ml of OHis added:

(v) Calculate the pH when 237 ml of OHis added:

Explanation / Answer

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