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| 1. | Use a Table of Solubilities to predict whether or not the following compounds are soluble in water. | ||||||||||||||||||||||||||
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| 2. | Write formulas for the following compounds, and using a Table of Solubilities predict whether or not the compound is soluble in water. | ||||||||||||||||||||||||||
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| 3. | What are spectator ions? | ||||||||||||||||||||||||||
| 4. | For each of the following reactions, predict the products of the reaction. Be sure to write balanced equations. Then determine if any of the products forms a precipitate.
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| a. | Mg(NO3)2 (aq) + 2 NaOH(aq) → | ||||||||||||||||||||||||||
| b. | CuSO4 (aq) + FeCl3 (aq) → | ||||||||||||||||||||||||||
| c. | K2CO3 (aq) + Sr(OH)2(aq) → | ||||||||||||||||||||||||||
| 5. | An aqueous solution contains a mixture of Ba2+, Pb2+ and Ca2+. Select the ONE negative ion listed below which could be used to separate Ba 2+ from the other two positive ions in the mixture. | ||||||||||||||||||||||||||
| a. | Cl- |
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| b. | S2- | ||||||||||||||||||||||||||
| c. | OH- | ||||||||||||||||||||||||||
| d. | PO43- |
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| e. | SO42- | ||||||||||||||||||||||||||
| 6. | An aqueous solution containing the following cations:
In order to separate them, the following solutions are available:
If we wish to separate the cations by causing only one cation to precipitate out of solution as a time:
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