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Sour Patch
Kit Kat
Laffy Taffy
Coke
Ring Pop
100
  • Increasing the surface area between solute and solvent, such as using crushed salt instead of large crystals,
    A. increases the rate of dissolving
    B. decreases the rate of dissolving
    C. has no effect on dissolving
    D. may increase or decrease

increases the rate of dissolving

100
  • A solution is made by dissolving 120 g of potassium nitrate (KNO₃) in water. The KNO₃ is the:
    A. solvent
    B. solution
    C. precipitate
    D. solute

solute

100
  • A solution that contains less solute than it can hold at a given temperature is:
    A. saturated
    B. unsaturated
    C. supersaturated
    D. concentrated

unsaturated

100
  • When calcium nitrate is dissolved in water, the calcium nitrate is the:
    A. solvent
    B. solute
    C. solution
    D. suspension

solute

100
  • If a saturated solution of KCl at 80°C is cooled to 40°C, how much solid will form?
    A. 20 g
    B. 40 g
    C. 60 g
    D. depends on solubility change

depends on solubility change

200
  • A solution of HNO₃ is 10.0 M, and more water is added to make it 4.00 M. Compared to the original, the new solution is:
    A. more concentrated
    B. more saturated
    C. more dilute
    D. more soluble

more dilute

200
  • When ethanol and water mix completely and form a uniform solution, they are:
    A. immiscible
    B. miscible
    C. saturated
    D. insoluble

miscible

200
  • A substance that does NOT dissolve in a nonpolar solvent is most likely:
    A. nonpolar
    B. polar
    C. neutral
    D. gaseous

 polar

200
  • Which substance is most likely a gas?
    A. Na₂SO₄
    B. KBr
    C. CO₂
    D. CaCl₂

CO₂

200
  • How many grams of KNO₃ dissolve in 100 g water at 40°C?
    A. 20 g
    B. 40 g
    C. 60 g
    D. 80 g

60 g

300
  • A solution that holds the maximum amount of solute at a given temperature is called:
    A. unsaturated solution
    B. supersaturated solution
    C. saturated solution
    D. dilute solution

saturated solution


300
  • In “like dissolves like,” the word “like” refers to:
    A. size
    B. shape
    C. polarity
    D. mass

polarity

300
  • As temperature increases, the solubility of most solids in liquids:
    A. increases
    B. decreases

increases

300
  • Which salt is least soluble at 20°C? (based on solubility trend graph concept)
    A. KNO₃
    B. NaCl
    C. KClO₃
    D. NH₃

KClO₃

300
  • How many grams of NH₄Cl can dissolve in 200 g water at 80°C?
    A. 60 g
    B. 120 g
    C. 160 g
    D. 200 g

160 g

400
  • A mixture like milk, which appears uniform but contains particles that do not settle, is:
    A. solution
    B. suspension
    C. colloid
    D. precipitate

solution

400
  • Water dissolves many ionic compounds because:
    A. it is liquid
    B. it is polar
    C. it has mass
    D. it is transparent

 it is polar

400
  • As temperature increases, the solubility of gases in liquids:
    A. increases
    B. decreases

decreases

400
  • A solution of 80 g NaNO₃ in 100 g water at 40°C is:
    A. unsaturated
    B. saturated
    C. supersaturated

 saturated

400
  • Which salt is least soluble at 80°C?
    A. NaCl
    B. KClO₃
    C. SO₂
    D. NH₃

KClO₃

500
  • Which will dissolve the fastest?
    A. Large crystals in cold water
    B. Large crystals in warm water
    C. Powdered solid in cold water
    D. Powdered solid in warm water

Powdered solid in warm water

500
  • What is the molarity of a solution containing 0.150 mol NaCl in 5.00 L?
    A. 0.030 M
    B. 0.075 M
    C. 0.300 M
    D. 1.50 M

0.030 M

500
  • A solution contains 2.00 mol KOH and has a concentration of 1.00 M. What is the volume?
    A. 0.50 L
    B. 1.00 L
    C. 2.00 L
    D. 3.00 L

2.00 L

500
  • How many moles of HNO₃ are present in 0.500 L of a 4.00 M solution?
    A. 1.00 mol
    B. 2.00 mol
    C. 4.00 mol
    D. 8.00 mol

2.00 mol