Saturday
April 18, 2015

Homework Help: Chemistry

Posted by nina on Sunday, October 4, 2009 at 6:29pm.

how can i know if a solution is aqueous or solid? i have a test tomorrow and dont 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

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