Problem: A − is a weak base. Which equilibrium corresponds to the equilibrium constant  K a for HA? A)  A −(aq)  +   OH −(aq) ⇌  HOA 2−(aq) B)  HA(aq)  +   H 2O(l) ⇌  H 2A +(aq)  +  OH − (aq) C)  HA(aq)  +   H 2O(l) ⇌  H 3O +(aq)  +  A −(aq) D)  A −(aq)  +   H 2O(l) ⇌  HA(aq)  +  OH −(aq) E)  A −(aq)  +   H 3O +(l) ⇌  HA(aq)  +  H 2O(l)

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Problem Details

− is a weak base. Which equilibrium corresponds to the equilibrium constant  a for HA?

A)  A (aq)  +   OH (aq) ⇌  HOA 2−(aq)

B)  HA(aq)  +   H 2O(l) ⇌  H 2+(aq)  +  OH − (aq)

C)  HA(aq)  +   H 2O(l) ⇌  H 3+(aq)  +  A (aq)

D)  A (aq)  +   H 2O(l) ⇌  HA(aq)  +  OH (aq)

E)  A (aq)  +   H 3+(l) ⇌  HA(aq)  +  H 2O(l)

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