To do this problem you need to know the solubility rules. Here is a simplified set. Memorize them. Use #4 (sulfate) and #3 (chlorides) as examples. I will leave the others for you.
BaCl2(qq) + K2SO4(aq) ==> 2KCl(aq) + BaSO4(s)
2KCl(aq) + Pb(NO3)2(aq) ==> AgCl(s) + 2KNO3(aq)
By the way, note the correct spelling of soluble (no a in it).
for the list of chemicals below, write complete, balanced equations for all possible reactions that would lead to an insoluable salt.
KCl, BaCl2, AgNO3, Pb(NO3)2, K2SO4, HNO3
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