Which of the following compounds is soluble in ?water A- Ni(OH)2 B- K3PO4 C- BaSO4 D- CoCO3
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K2PO4 is soluble in water because it is a salt of a Group 1 metal (potassium) and a polyatomic ion (phosphate). BaSO4 is insoluble in water because it is a sulfate and most sulfates are insoluble in water except for those of Group 1 metals, ammonium ion, and a Show more…
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