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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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ild ild
wrote...
Posts: 60
Rep: 1 0
11 years ago
1. No reaction occurs since no precipitate is
formed.
2. 2Na+ + SO2?
4
! Na2SO4
3. Cu2+ + PO3?
4
! CuPO4
4. 3Cu2+ + 2 PO3?
4
! Cu3 (PO4)2
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wrote...
#1
11 years ago
Molecular :
2 Na3PO4 (aq) + 3 CuSO4 (aq)>> Cu3(PO4)2 (s) + 3 Na2SO4 (aq)

net ionic :
2 PO43- (aq) + 3 Cu2+ (aq) >> Cu3(PO4)2 (s)


NOTE : Cu3(PO4)2 is an INSOLUBLE salt
Ksp of copper (II) phosphate is 6.57 x 10^-18
wrote...
#2
11 years ago
The solubility product tables I have access to suggest that there is no reaction. If so, you would just form a mixture of the 4 ions:  Na+, Cu++, PO4^-3, and SO4^-2. Hope this helps,

Doc
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