Investigation of exceptions to the general rules of solubility. The table below

Question

Investigation of exceptions to the general rules of solubility. The table below shows another set of ionic compounds we will mix. Each box outlined in bold shows the mixing of a compound in a row and one in a column. List all ions present at the top of each box (4 per box). Write the formulas of binary ionic compounds formed from possible combinations of positive and negative ions (2 per box) that are different from the starting materials below the ions. The first box is filled in for you as an example.

Explanation / Answer

For CaCl2 and AgNO3:

Ions formed: Ca2+, Cl-, Ag+, NO3-

Ionic compounds formed: Ca(NO3)2, AgCl

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For CaCl2 and NaOH:

Ions formed: Ca2+, Cl-, Na+, OH-

Ionic compounds formed: Ca(OH)2, NaCl

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For CaCl2 and CH3COONH4:

Ions formed: Ca2+, Cl-, NH4+, CH3COO-

Ionic compounds formed: Ca(CH3COO)2, NH4Cl

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For CoCl2 and AgNO3:

Ions formed: Co2+, Cl-, Ag+, NO3-

Ionic compounds formed: Co(NO3)2, AgCl

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For CoCl2 and NaOH:

Ions formed: Co2+, Cl-, Na+, OH-

Ionic compounds formed: Co(OH)2, NaCl

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For CoCl2 and CH3COONH4:

Ions formed: Co2+, Cl-, NH4+, CH3COO-

Ionic compounds formed: Co(CH3COO)2, NH4Cl

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For ZnCl2 and AgNO3:

Ions formed: Zn2+, Cl-, Ag+, NO3-

Ionic compounds formed: Zn(NO3)2, AgCl

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For ZnCl2 and NaOH:

Ions formed: Zn2+, Cl-, Na+, OH-

Ionic compounds formed: Zn(OH)2, NaCl

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For ZnCl2 and CH3COONH4:

Ions formed: Zn2+, Cl-, NH4+, CH3COO-

Ionic compounds formed: Zn(CH3COO)2, NH4Cl

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