Problem: Complete and balance each of the following equations. If no reaction occurs, write no reaction.a. NaOH(aq) + FeBr3(aq) → b. BaCl2(aq) + AgNO3(aq) → c. Na2CO3(aq) + CoCl2(aq) → d. K2S(aq) + BaCl2(aq) →Express your answer as a chemical equation. Enter no reaction if no precipitate is formed.

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FREE Expert Solution

a. NaOH(aq) + FeBr3(aq) →

  • This reaction is a double displacement reaction where the ions are switched with their respective counterions

  • In this case, Fe(OH)(from Fe3+ and OH-) and NaBr (from Na+ and Br-) will be produced. Their charges will be the subscript of the their respective counterion

  • Balancing will give us: 3NaOH(aq) + FeBr3(aq) → 3NaBr + Fe(OH)3

  • According to the solubility rules, Fe(OH)3 is an insoluble solid 

  • 3NaOH(aq) + FeBr3(aq) → 3NaBr(aq) + Fe(OH)3(s)

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Problem Details

Complete and balance each of the following equations. If no reaction occurs, write no reaction.

a. NaOH(aq) + FeBr3(aq) →

b. BaCl2(aq) + AgNO3(aq) →

c. Na2CO3(aq) + CoCl2(aq) →

d. K2S(aq) + BaCl2(aq) →

Express your answer as a chemical equation. Enter no reaction if no precipitate is formed.

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