Question

In: Chemistry

1. a) Predict whether a reaction will occur when FeSO4 (aq) and Pb(NO3)2 (aq) solutions are...

1. a) Predict whether a reaction will occur when FeSO4 (aq) and Pb(NO3)2 (aq) solutions are mixed. (What is the driving force?) And if yes, determine the spectator ions and the net ionic equation for the reaction.

b) Predict whether a reaction will occur when HClO (aq) and Sr(OH)2 (aq) solutions are mixed. And if yes, determine the spectator ions and the net ionic equation for the reaction. (HClO is hypchlorous acid, a weak acid)

Solutions

Expert Solution

1. a) Iron(II) sulfate react with lead(II) nitrate to produce iron(II) nitrate and lead(II) sulfate. This reaction takes place at a temperature near 10°C in a nitrogen atmosphere.

The balanced equation: Pb(NO3)2(aq) + FeSO4(aq) → PbSO4(s) + Fe(NO3)2(aq)

complete ionic equation: Pb2+(aq) + 2NO3-(aq) + Fe2+(aq) + SO42-(aq) PbSO4(s) + Fe2+(aq) + 2NO3-(aq)

spectator ions: NO3- and Fe2+

Net ionic equation: Pb2+(aq) + SO42-(aq) PbSO4(s)

b) Reaction will occur when HClO (aq) and Sr(OH)2 (aq) solutions are mixed and the balanced equation is:

2HClO(aq) + Sr(OH)2(aq)​ Sr(ClO)2(aq)​+ 2H2O(l)

Complete ionic equation:
2 HClO(aq) + Sr2+(aq) + 2 OH-(aq) Sr2+(aq) + 2 ClO-(aq) + 2 H2O(l)

Spectator ion: Sr2+

Net ionic equation:
2 HClO(aq) + 2 OH-(aq) 2 ClO-(aq) + 2 H2O(l)


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