Based on the solubility rules, which one of the following compounds should be insoluble in water? CaCO^3 (NH_4)_2 CO_3 Na_2CO_3 K_2CO_3 KNO_3 The underscores ( _ ) indicate subscripts for the following number, just to clarify.
are you familiar with the solubility rules?
@Cuanchi is correct, just look at the rules and examine each compound to see where it fits in with the rules
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