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Equations balancing

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are these already balanced?CuSO4 + Zn ---> CuZn + SO4 AgNO3 + NaCl ---> AgCl + NaNO3 AgNO3 + NaCl ---> AgCl + NaNO3 CuSO4 + Zn
1. 1 answer
2. asked by Paul
3. 750 views
Will you help me use the half reaction method to balance these equations. I need to add water molecules and hydrogen ions in
1. 2 answers
2. asked by CLO
3. 664 views