Chemistry 30

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Solutions Practice Questions

Practice Questions 2.2: Calculations Involving Solution Concentration
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1. A 0.750 L aqueous solution contains 90.0 g of ethanol, C2H5OH. Calculate the molar concentration of the solution in mol·L-1.
2.

What mass of NaCl are dissolved in 152 mL of a solution if the concentration of the solution is 0.364 M?

3. What mass of dextrose, C6H12O6 is dissolved in 325 mL of 0.258 M solution?
4. A mass of 98 g of sulfuric acid, H2SO4, is dissolved in water to prepare a 0.500 M solution. What is the volume of the solution?
5. A solution of sodium carbonate, Na2CO3, contains 53.0 g of solute in 215 mL of solution. What is its molarity?
6. What is the molarity of a solution of HNO3 that contains 12.6 g of solute in 5.00 L of solution?
7. What mass of copper(II) nitrate, Cu(NO3)2, is present in 50.00 mL of a 4.55 × 10-3 M aqueous solution?

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Credits | Central iSchool | Sask Learning | Saskatchewan Evergreen Curriculum | Updated: 22-May-2006