For the buffer solution of weak acid HA and its conjugate base salt NaA
There are two equilibrium reactions
HA + H2O=H3O+ + A
A + H2O=OH + HA
Which one of the following is(are) correct?
W
Select one:
a. [HA] increases by an amount equal to OH
b. [HA] increases by an amount equal to H30*
c. [A] decreases by an amount equal to H30+
d. [A] decreases by an amount equal to OH​

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