CoCl
2
(
aq
) + H
2
O(
l
)
CoCl
2
(
aq
) → Co
2+
(
aq
) + 2 Cl
–
(
aq
)
Co
2+
(
aq
) + 2 H
2
O(
l
)
→
←
CoOH
+
(
aq
) + H
3
O
+
(
aq
)