Adapted by Nelson Nuñez-Rodriguez
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By David W. Ball
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| QUESTION | ANSWER |
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1. What is the difference between dilution and concentration? |
1. Dilution is a decrease in a solution’s concentration, whereas concentration is an increase in a solution’s concentration. |
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3. A 1.88 M solution of NaCl has an initial volume of 34.5 mL. What is the final concentration of the solution if it is diluted to 134 mL? |
3. 0.484 M |
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5. If 1.00 mL of a 2.25 M H2SO4 solution needs to be diluted to 1.00 M, what will be its final volume? |
5. 2.25 mL |
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7. If 665 mL of a 0.875 M KBr solution are boiled gently to concentrate the solute to 1.45 M, what will be its final volume? |
7. 401 mL |
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9. How much water must be added to 75.0 mL of 0.332 M FeCl3(aq) to reduce its concentration to 0.250 M? |
9. 24.6 mL |