Acid Dissociation Constant Expression
Which of the following represents the acid dissociation constant (Ka) expression for the reaction HCl + H2O --> H3O+ + Cl-?
A
Ka = [H3O+][Cl-]/[HCl]
B
Ka = [Cl-][HCl]/[H3O+]
C
Ka = [H3O+][HCl]/[Cl-]
D
Ka = [H3O+][Cl-][HCl]
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