a) H3Z is a triprotic weak acid, with Ka1 = 8.8x10-4, Ka2 = 2.4x10-8, and Ka3 = 5.7x10-9. When HZ2- behaves as a base, what is its Kb value? b) B is a weak base with Kb = 7.2x10-5. What is the pH of a 0.0800 M solution of HBCl (the salt of B, provides HB+)?
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a) H3Z is a triprotic weak acid, with Ka1 = 8.8x10-4, Ka2 = 2.4x10-8, and Ka3 = 5.7x10-9. When HZ2- behaves as a base, what is its Kb value?
b) B is a weak base with Kb = 7.2x10-5. What is the pH of a 0.0800 M solution of HBCl (the salt of B, provides HB+)?
c) H3T is a weak triprotic acid. Write the chemical equation for the weak base dissociation of HT2- (corresponding to its Kb value). On each side of the equation, write the T-containing species in the first box. If a box should be empty, enter "X" (without the quotes).
[A] + [B] ⇔ [C] + [D]
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