Question

In: Chemistry

Complete each of the following as a net ionic equation, indicating whether a precipitate forms. If...

Complete each of the following as a net ionic equation, indicating whether a precipitate forms. If no reaction occurs, so state.

Ca2++2Cl+Pb2++2NO3

Al3++3NO3+K++OH

Fe3++3NO3+Na++OH

Solutions

Expert Solution

1) Given, the ionic equation,

Ca2+(aq) + 2Cl-(aq) + Pb2+(aq) + 2NO3-(aq)

Using the solubility chart, completing the ionic equation,

Ca2+(aq) + 2Cl-(aq) + Pb2+(aq) + 2NO3-(aq) PbCl2(s) + Ca2+(aq) + 2NO3-(aq)

Cancelling the spectator ions.

Pb2+(aq) + 2Cl-(aq) PbCl2(s) ------------Net ionic equation

2) Given, the ionic equation,

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

Using the solubility chart, completing the ionic equation and balancing the ions,

Al3+(aq) + 3NO3-(aq) + K+(aq) + 3OH-(aq) Al(OH)3(s) + K+(aq) + 3NO3-(aq)

Now, cancelling the spectator ions,

Al3+(aq) + 3OH-(aq) Al(OH)3(s) ---------Net ionic equation

3) Given, the ionic equation,

Fe3+(aq) + 3NO3-(aq) + Na+(aq) + OH-(aq)

Using the solubility chart, completing the ionic equation and balancing the ions,

Fe3+(aq) + 3NO3-(aq) + Na+(aq) + 3OH-(aq) Fe(OH)3(s) + Na+(aq) + 3NO3-(aq)

Now, cancelling the spectator ions,

Fe3+(aq) + 3OH-(aq) Fe(OH)3(s) ---------Net ionic equation


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