Chemistry homework...HELP!!?

Can anyone help me with finding the chemical formula of these combined? Any help would be greatly appreciated :) Na2S and Ag+ Na2SO4 and Ag+ NaCl and Ag+ NaOH and Ag+ Na2CO3 and Ag+ Na2S and Pb2+ Na2SO4 and Pb2+ NaCl and Pb2+ NaOH and Pb2+ Na2CO3 and Pb2+ Na2S and Ca2+ Na2SO4 and... show more Can anyone help me with finding the chemical formula of these combined? Any help would be greatly appreciated :)

Na2S and Ag+

Na2SO4 and Ag+

NaCl and Ag+

NaOH and Ag+

Na2CO3 and Ag+

Na2S and Pb2+

Na2SO4 and Pb2+

NaCl and Pb2+

NaOH and Pb2+

Na2CO3 and Pb2+

Na2S and Ca2+

Na2SO4 and Ca2+

NaCl and Ca2+

NaOH and Ca2+

Na2CO3 and Ca2+

Na2S and Fe3+

Na2SO4 and Fe3+

NaCl and Fe3+

NaOH and Fe3+

Na2CO3 and Fe3+

Na2S and Cu2+

Na2SO4 and Cu2+

NaCl and Cu2+

NaOH and Cu2+

Na2CO3 and Cu2+

4 answers