• Halides (Cl–, Br–, and I–) are soluble except when paired with Ag+, Pb2+, Cu+, Hg22+
AgI → insoluble
Phosphates (PO43–) are insoluble except when with Group 1A ions (Li+, Na+, K+, etc.) and ammonium ion (NH4+)
Cu3(PO4)2 → insoluble
You may need to reference (Pages 158 - 162) section 4.5 while completing this problem.
Determine whether each of the following compounds is soluble or insoluble:
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