Posted by **Allison** on Thursday, October 28, 2010 at 12:34am.

Could someone help me with these molecular formulas, i don't know what im doing wrong. For this example, i did it like this and it says its incorrect. Could you solve the the equations below your way and i match it to mines? Thank you so much

Fe (s) + Ni(NO3)2 (aq) =Fe(NO3)2 (aq) + Ni (s)

FeCl3(s) + K3PO4(aq)=

CaCl2(s) + K3PO4(aq)

FeCl3(s) + KNO3(aq)

Fe2(SO4)3 (aq) + K3PO4(aq)

CuBr2(s) + NH4OH(aq)

ZnBr2 (s) + NH4OH(aq)

CuBr2 (s) + NH4NO3(aq)

CuSO4 (s) + NH4OH(aq)

NiCl2 (s) + Na2CO3(aq)

MgCl2 (s) + Na2CO3(aq)

NiCl2 (s) + NaNO3(aq)

NiSO4 (s) + Na2CO3(aq

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