Question

Complete and balance each of the following equations. If no reaction occurs, write NOREACTION. A)LiOH(aq)+Al(NO3)3(aq) B)CrBr2(aq)+Na2CO3(aq)

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

A)LiOH(aq)+Al(NO3)3(aq)

B)CrBr2(aq)+Na2CO3(aq)

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Homework Answers

Answer #1

A) Given,

LiOH(aq) + Al(NO3)3(aq)

Now, the complete ions for the given reactants are,

Li+(aq) + OH-(aq) + Al3+(aq) + 3NO3-(aq)

Now, from the solubility chart, Al(OH)3 is insoluble, it will form precipitate. thus the balanced molecular equation is,

3LiOH(aq) + Al(NO3)3(aq) Al(OH)3(s) + 3LiNO3(aq)

B) Given,

CrBr2(aq) + Na2CO3(aq)

Now, the complete ions for the given reactants are,

Cr2+(aq) + 2Br-(aq) + 2Na+(aq) + CO32-(aq)

Now, from the solubility chart, CrCO3is insoluble, it will form precipitate. thus the balanced molecular equation is,

CrBr2(aq) + Na2CO3(aq) CrCO3(s) + 2NaBr(aq)

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