A 16.9 gram sample of KCl is used to make a 250. mL KCl solution. What is the molarity of the KCl solution? 74.55 M 0.907 M 67.6 M 0.0676 M Part B A chemist has a bottle containing 0.57 M CuCl2. How many milliliters of this solution should the chemist use to add 2.0 grams of CuCl2 to her reaction? 3.5 mL 26 mL 13 mL 0.015 mL Part C If 25.00 mL of 0.280 M NaOH completely reacts, how many milliliters of a 0.200 M H2SO4 solution were present? 2 NaOH(aq) + H2SO4(aq) → Na2SO4(aq) + 2 H2O(l) 0.175 mL 0.0175 mL 17.5 mL 1.75 mL
Part A
A 16.9 gram sample of KCl is used to make a 250. mL KCl solution. What is the molarity of the KCl solution?
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74.55 M |
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0.907 M |
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67.6 M |
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0.0676 M |
Part B
A chemist has a bottle containing 0.57 M CuCl2. How many milliliters of this solution should the chemist use to add 2.0 grams of CuCl2 to her reaction?
|
3.5 mL |
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26 mL |
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13 mL |
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0.015 mL |
Part C
If 25.00 mL of 0.280 M NaOH completely reacts, how many milliliters of a 0.200 M H2SO4 solution were present?
2 NaOH(aq) + H2SO4(aq) → Na2SO4(aq) + 2 H2O(l)
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0.175 mL |
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0.0175 mL |
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17.5 mL |
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1.75 mL |
Part D
A solution contains 75 grams sucrose and 90. grams of water. What is the mass percent of the sucrose solution?
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27% (m/m) |
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83% (m/m) |
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45% (m/m) |
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54% (m/m) |
Part E
A solution contains only glycerol and fructose. There is ten times as much glycerol as fructose. Therefore,
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glycerol is the solvent. |
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both glycerol and fructose are solutes. |
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fructose is the solvent. |
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glycerol is a solute. |
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