I'm not sure how to do these and when I looked it up, maybe there was a diff. vocab used. Please help!

1.) How do you do atom/ion inventory of : Cu3(PO4)2
A. _____ formula units Cu3(PO4)2
B. _____ atoms Cu
C. _____ atoms P
D. _____ atoms O
E. _____ ions Cu2+
F. _____ ions PO43−

3. How to perform mole inventory of Cu3(PO4)2
A. ____ formula units Cu3(PO4)2
B. _____ mol Cu
C. _____ mol P
D. _____ mol O
E. _____mol Cu2+
F. _____ molPO43−

2 answers

Is calculating the molar mass part of determing the ions for #1 and then the mol for #3
I must confess I don't know what the question wants. I'm guessing here but I would try
1
0
0
0
3
2
for question 1.
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