Solution 1: Na2CO3 (aq) Soultion 2: CrI3 (aq) a) Provide the formulas with corre

Question

Solution 1: Na2CO3 (aq)

Soultion 2: CrI3 (aq)

a) Provide the formulas with correct charges of the ions present in solution 1, as Cation 1 and Anion 1

b) Provide the formulas with correct charges of the ions present in solution 2, as Cation 2 and Anion 2

c) For each combination of ions below, write the correct chemical formula for resulting ionic compound and then classify the compound as soluable or insoluble.

Cation 1 + Anion 2 =

Cation 2+ Anion 1 =

d) Will a precipitiation reaction occur when solution 1 is mixed with solution 2? If so, write the balanced chemical equation. If not, provide a brief explanation.

Explanation / Answer

a.)

Cation 1 = Na+

Anion 1 = CO32-

b.)

Cation 2 = Cr3+

Anion 2 = I-

c.)

  Cation 1 + Anion 2 =  NaI

Cation 2+ Anion 1 = Cr2(CO3)3

d.)

Yes, precipitiation reaction occur when solution 1 is mixed with solution 2

Net Reaction:

2CrI3 + 3Na2CO3 = Cr2(CO3)3 (ppt.) + 6NaI

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