Answer
$e) NaClO_3$
Work Step by Step
Analyzing the base of the cation and the acid of the anion, we find:
a) Strong base, but weak acid $(HP{O_4}^{2-})$.
b) Strong base, but weak acid $(HC{O_3}^-)$
c) Strong base, but weak acid $(HF)$
d) Strong base, but weak acid $(HS{O_4}^-)$
