MR. SURRETTE
VAN NUYS HIGH SCHOOL
CHAPTER 10: CHEMICAL SOLUTIONS
WORKSHEET
(Equations: % Mass = (grams solute / grams solution) x 100, (water) = 1 g / mL, M = mol / liter,
MIVI = MFVF, mol fraction = mol solute / mol solvent, m = mol solute / kg solvent)
PART I. MULTIPLE CHOICE
1. Chemical solutions are __________ mixtures of solute and solvent.
(A) homogenous (B) partial (C) heterogenous (D) undissolved
(E) saturated
2. Two or more substances homogenously combined together is a:
(A) concentrate (B) solution (C) solvent (D) solute (E) precipitate
3. Gas solutions consist of __________ dissolved in __________ .
(A) liquids gases (B) gases gases (C) gases liquids (D) gases solids
(E) gases water
4. The __________ is the substance least present in a solution.
(A) solvent (B) precipitate (C) mole (D) solute (E) concentrate
5. Methanol dissolves best in __________ solutions.
(A) non-polar (B) homogenous (C) concentrated
(D) liquid
(E) polar
6. The __________ is the substance most present in a solution.
(A) solvent (B) precipitate (C) mole (D) solute (E) concentrate
7. Rock candy is a good example of a __________ solution.
(A) unsaturated (B) supersaturated (C) saturated (D) heterogenous
8. Carbon dioxide in soda is an example of a __________ solution.
(A) liquid-gas (B) liquid-liquid (C) gas-gas (D) gas-liquid
9. __________ solutions have a high solute percentage.
(A) Concentrated (B) Dilute (C) Homogenous (D) Polar
(E) dilute
(E) solid-solid
(E) Non-polar
10. Solutes __________ by separating into ions or molecules.
(A) melt (B) dilute (C) congeal (D) dissolve (E) saturate
11. The solubility of most solutions is most affected by:
(A) pressure (B) molarity (C) molality (D) volume
(E) temperature
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CHEMISTRY
MR. SURRETTE
VAN NUYS HIGH SCHOOL
PART II. SHORT ANSWERS
12. Calculate the % mass of 14.7 grams sucrose dissolved in 412.1 mL water.
(A) 3.44% (B) 1.72% (C) 4.45% (D) 6.26% (E) 9.17%
13. Soda is 9.5% sucrose. What volume of soda in mL contains 72.7 g sucrose? (Assume the density
of soda = (WATER).
(A) 437.4 mL (B) 1684 mL (C) 765.3 mL (D) 2469 mL (E) 2012 mL
14. Soda is 9.5% sucrose. How many grams of sucrose are found in 355 mL of soda?
(A) 26.6 g (B) 33.7 g (C) 48.0 g (D) 88.4 g (E) 21.4 g
15. What is the molarity of a solution that contains 5.5 grams NaCl dissolved in 1.2 liters water?
(A) 8.53 x 10-2 M (B) 9.30 x 10-2 M (C) 9.70 x 10-2 M (D) 5.17 x 10-2 M (E) 7.84 x 10-2 M
16. How many liters of 0.724 M NaOH solution contain 1.24 moles NaOH?
(A) 1.71 L (B) 1.87 L (C) 4.81 L (D) 8.05 L (E) 3.48 L
17. How much 4.0 M NaNO3 is needed to make 0.585 L of 1.2 M NaNO3 solution?
(A) 1.40 x 10-1 L (B) 1.76 x 10-1 L (C) 2.34 x 10-1 L (D) 3.51 x 10-1 L (E) 4.51 x 10-1 L
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CHEMISTRY