Determine calcium sulfide and iron bromide

Reference no: EM13225031

Write the net ionic equation for this reac- tion occuring in water: Calcium sulfide and iron(II) bromide are mixed to form iron(II) sulfide and calcium bromide.
1. Ca^2+ + 2 Br^- ? CaBr2
2. S^2- + Fe^2+ ? FeS
3. S^2- + FeBr2 ? FeS + 2 Br^-
4. No reaction occurs.
5. Sr^2+ + S^2- + Fe^2+ + 2 Br^- -->
FeS + CaBr2
6. CaS + 2 Br- ? S^2- + CaBr2

Reference no: EM13225031

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