Worksheet 3C: Reactions in Aqueous Solution


Q1.

Using solubility rules, predict whether the following compounds will be soluble or insoluble in water.

1. $$NiCl_2$$
2. $$Ag_2S$$
3. $$Cs_3PO_4$$
4. $$SrCO)3$$
5. $$PbSO_4$$
6. $$Ni(OH)_2$$
7. $$PbBr_2$$
8. $$Ba(NO_3)_2$$
9. $$AlPO_4$$

Q2.

Will precipitation occur when the following solutions are mixed?

1. $$Na_2CO_3$$ and AgNO_3\)
2. $$NaNO_3$$ and $$NiSO_4$$
3. $$FeSO_4$$ and $$Pb(NO_3)_2$$
4. $$Ni(NO_3)_2$$ and $$NaOH$$

Q3.

Write the molecular equation, ionic equation, and net ionic equation for the following reactions.

1. $$Na_2CO_{3(aq)} + MgSO_{4\;(aq)} \rightarrow$$
1. $$Pb(NO_3)_{2\; (aq)} + Na_2S_{(aq)} \rightarrow$$
1. $$(NH_4)_3PO_{4 \; (aq)} + (CaCl_{2\;(aq)} \rightarrow$$
1. $$Cr_2(SO_4)_{3\; (aq)} + (NH_4)_2CO_{3\; (aq)} \rightarrow$$
1. $$Ba(NO_3)_{2\; (aq)} + K_2SO_{4\; (aq)} \rightarrow$$
1. $$Fe(NO_3)_{2\; (aq)} + KOH_{(aq)} \rightarrow$$

Q4.

Complete and balance the following molecular equations, and then write the net ionic equation for each.

1. $$KOH_{(aq)} + HI_{(aq)} \rightarrow$$
1. $$NaOH_{(aq)} + HCl_{(aq)} \rightarrow$$

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