Question

Question #e8469

Answer 1

`1/3` and `1/2`, if I understand the question correctly.

Explanation:

3 moles `Co(NO_3)_2` `rarr` 1 mole Co_3(PO_4)_2 `rarr1/3`
2 moles `Na_3PO_4 rarr` 1 mole `Co_3(PO_4)_2 rarr 1/2`