Question

What is the concentration of sodium phosphate contains 0.60 M Na+?

I'm not sure what to do and how to figure how to do this question.

Answer 1

0.60 M Na^+.
There are 3 Na atoms in 1 Na3PO4 molecule; therefore, (Na3PO4) must be 0.60/3 = 0.20M Na3PO4.