5. Predict whether the salt
NaHCO
3
will form an acidic or basic solution given
K
a
(H
2
CO
3
) = 4.3 x 10
-7
and
K
a
(HCO
3
-
) = 5.6 x 10
-11
.
What is the dissociation equation of the salt in an aqueous solution?
a)
NaHCO
3
(aq) + H
2
O (l)
NaOH (aq) + H
2
CO
3
(aq)
b)
NaHCO
3
(aq)
Na
+
(aq) + HCO
3
-
(aq)
c)
NaHCO
3
(aq) + OH
-
(aq)
NaOH (aq) + HCO
3
-
(aq)
d)
NaHCO
3
(aq)
NaH
2+
(aq) + CO
3
2-
(aq)
