Adapted by Nelson Nuñez-Rodriguez
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By David W. Ball
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| QUESTION | ANSWER |
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1. Define solute and solvent. |
1. The solvent is the majority component of a solution, whereas the solute is the minority component of a solution. |
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3. A solution is prepared by combining 2.09 g of CO2 and 35.5 g of H2O. Identify the solute and solvent. |
3. solute: CO2; solvent: H2O |
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5. Use Table 9.2 "Solubilities of Some Ionic Compounds" to decide if a solution containing 45.0 g of NaCl per 100 g of H2O is unsaturated, saturated, or supersaturated. |
5. supersaturated |
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7. Would the solution in Exercise 5 be described as dilute or concentrated? Explain your answer. |
7. concentrated because there is a lot of solute |
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9. Identify a solute from Table 9.2 "Solubilities of Some Ionic Compounds" whose saturated solution can be described as dilute. |
9. AgCl or CaCO3 |
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11. Which solvent is Br2 more likely soluble in—CH3OH or C6H6? |
11. C6H6 |
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13. Compounds with the formula CnH2n + 1OH are soluble in H2O when n is small but not when n is large. Suggest an explanation for this phenomenon. |
13. The nonpolar end dominates intermolecular forces when n is large. |