The following list contains some common polyatomic ions. Using the charge on these ions and the idea of valence, predict the formulas for the compound formed from the following:
nitrate NO3-1 phosphate PO4-3
sulfate SO4-2 acetate C2H3O2-1
ammonium NH4+1 chromate CrO4-2
carbonate CO3-2 dichromate Cr2O7-2
permanganate MnO4-1 sulfite SO3-2
ammonium and sulfite
A. (NH 4) 2SO 3
B. NH 4SO 4
C. (NH 4) 2SO 4
D. NH 4SO 3
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