posted by nina .
how can i know if a solution is aqueous or solid? i have a test tomorrow and don't know how to do this PLEASE HELP!!! i have this question on my homework...Will precipitation occur when the following solutions are mixed?
1. Na2Co3 and AgNO3
2. NaNO3 and NiSO4
3. FeSO4 and Pb(NO3)2
1. Silver carbonate is not soluble.
2. Nickel nitrate and sodium sulfate will be both soluble, no reaction.
3. Lead sulfate is not soluble.
Here is a simplified list of solubility rules.