Ethanolamine, HOC2H4NH2, is a weak base. Its base-dissociation constant at 25°C is 3.2 ✕ 10−5. Calculate...

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Ethanolamine, HOC2H4NH2, is a weak base. Its base-dissociation constant at 25°C is 3.2 ✕ 10−5. Calculate...

Ethanolamine, HOC₂H₄NH₂, is a weak base. Its base-dissociation constant at 25°C is 3.2 ✕ 10⁻⁵. Calculate the pOH of a 0.486 M ethanolamine solution in water at 25°C.

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Answer 1

Answer #1

0.4864 0.4864 Holz Hq NH2 + H₂O & HOC HA NH3 + oH 0.486m (initial) 0.48611-0) Kb=(0.486%) (0.486%) = 0.486002 = 0.4864² 0.486

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