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Solutions Worksheet #5
1. What would be the percent concentration of each of the following solutions?
a. 54.0 g of AgNO
3
g is dissolved in 128 g of water.
b. 4.22 g of K
2
CO
3
is dissolved in 426 mL of water.
c. 0.762 g of ZnF
2
is dissolved in 1.30 liters of water.
2. What weight of solute is needed to produce each of the indicated solutions?
a. 500.0 g of a 6.40% NaCl solution.
b. 136 g of a 14.2% LiNO
3
solution.
c. 42.2 g of a 7.60% AgNO
3
solution.
3. How many grams of water should be used in each of the problems in "2" above.
4. How many grams of the following solutes would you need to prepare the indicated
volume and concentration of the solutions given?
a. 340. mL of a 1.82 M aluminum nitrate solution.
b. 25.0 mL of a 4.26 M potassium cyanide solution.
c. 370. mL of a 0.00674 M ammonium sulfate solution.
5. What should the final volume(mL) of each solution be so that the amount of solute
dissolved will produce the indicated concentration.
a. 2.86 g of copper(I) carbonate to produce a 0.640 M solution.
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 Spring '11
 harrison

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