Chemistry Test On Solubility: Trivia Quiz
(107).jpg "Chemistry Test On Solubility: Trivia Quiz - Quiz")
Do you know something about chemistry solubility? Solubility is the capacity of a solid, liquid, or gaseous chemical substance to dissolve in the solvent and form a solution. The solubility of an ingredient depends on the solvent used and the temperature and pressure. The concentration of the solution measures the solubility of a substance in a particular solvent. Trying this quiz will test your knowledge of solubility.
- 1.
According to this solubility curve, how many grams of solute A can be completely dissolved at 70 degrees celsius in 100 grams of water, according to the attached graph?
- A.
10 grams of solute A
- B.
40 grams of solute A
- C.
45 grams of solute A
- D.
60 grams of solute A
Correct Answer
C. 45 grams of solute AExplanation
Go across the X-axis to 70 degrees, follow it vertically up until it interests the solubility line for solute A. Go across to the Y-axis to read how many grams can be dissolved at this temperature in 100 grams of water. (Note: If, for example, you have 200 grams of water, then TWICE as much solute can be dissolved in 200 grams of water at the same temperature).Rate this question:
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- 2.
According to the solubility graph below, which substance's solubility is LEAST changed as the temperature is increased?
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
B. BExplanation
The solute with the flattest slope (most horizontal) has the smallest change in solubility with increasing temperature.Rate this question:
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- 3.
Based on the characteristics of gases, liquids, and solids, predict which solute is MOST likely a gas? How do you know this?
- A.
A, because gases generally dissolve less at higher temperatures.
- B.
B, because gases generally dissolve almost the same amount at different temperatures.
- C.
C, because gases generally has an increased exponential change in solubility with increased temperature.
- D.
D, because gases generally dissolve more at higher temperatures
Correct Answer
A. A, because gases generally dissolve less at higher temperatures.Explanation
The correct answer is A because gases generally dissolve less at higher temperatures. This is known because of the characteristics of gases. As temperature increases, the kinetic energy of gas molecules also increases, causing them to move more rapidly. This increased movement makes it more difficult for gas molecules to be captured and dissolved by the solvent. Therefore, gases tend to have lower solubility at higher temperatures.Rate this question:
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- 4.
How many grams of Solute C can be dissolved in 100g of water at 60 degrees celsius to make a saturated solution?
- A.
24 g
- B.
40 g
- C.
19 g
- D.
60 g
Correct Answer
C. 19 gExplanation
Go across the x-axis to 60 degrees. Follow vertically upwards until the C solubility curve is met. Look across at the y-axis for the number of grams that can be dissolved at that temperature.Rate this question:
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- 5.
How many grams of Solute A can be completely dissolved in 200 grams of water at 90 degrees celsius to make a saturated solution?
- A.
65 g
- B.
130 g
- C.
75 g
- D.
40 g
Correct Answer
B. 130 gExplanation
IF 65 grams can dissolve in 100 grams of water, THEN how many will dissolve in 200 grams.Rate this question:
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- 6.
A 100-gram solution of water contains 29 grams of Solute B at 80 degrees celsius. What term describes the solution and why?
- A.
It is an saturated solution because only 29 grams of Solute B can be dissolved in 100 grams of water at 80 degrees celsius.
- B.
It is an unsaturated solution because more than 29 grams can be dissolved in 100 grams of water at 80 degrees celsius.
- C.
It is a supersaturated solution because more than 29 grams can dissolve in 100 grams of water at 80 degrees celsius.
- D.
It is a saturated solution because more than 29 grams can dissolve in 100 grams of water at 80 degrees.
Correct Answer
B. It is an unsaturated solution because more than 29 grams can be dissolved in 100 grams of water at 80 degrees celsius.Explanation
Find the temperature on the x-axis. Follow it up towards the solubility curve. IF the amount of grams that are contained in the solution is UNDER the solubility line it is UNsaturated (that means that more solute can dissolve). If it is OVER the solubility line, then it is a supersaturated solution. IF the amount of grams of solute falls on the solubility curve, this indicates a saturated solution.Rate this question:
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- 7.
A 100-gram solution of water contains 60 grams of Solute C at 100 degrees Celsius. Describe the solution.
- A.
It is a saturated solution because it contains more grams of solute than the solubility curve.
- B.
It is a supersaturated solution because it contains more solute dissolved in the water than the amount indicated by the solubility curve.
- C.
It is an unsaturated solution because it contains less solute than indicated by the solubility curve.
- D.
It is a semi-saturated solution.
Correct Answer
B. It is a supersaturated solution because it contains more solute dissolved in the water than the amount indicated by the solubility curve.Explanation
A semi-saturated solution is NOT a valid term. If the solution contains more dissolved grams that indicated by the solubility curve, it is a supersaturated solution. (It is made by heating a solution -- so it can hold more grams of solute -- then SLOWLY cooling the solution. The solution is unstable; if a crystal is added, the extra solute will leave the solution and accumulate at the bottom of the beaker).Rate this question:
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- 8.
Which of the following solutions are possible?
- A.
Both the solvent and solute are liquids.
- B.
Both the solvent and solute are solids.
- C.
The solvent is a liquid and a solute is a gas
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
Example of 2 liquids: Antifreeze and water. Example of 2 solids: Alloys: Stainless steel (a mixture of two metals); 14K gold. Example of a liquid and gas: Carbonated drink.Rate this question:
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.png "According to this solubility curve, how many grams of solute A can be completely dissolved at 70 degrees celsius in 100 grams of water, according to the attached graph?")
.png "How many grams of Solute A can be completely dissolved in 200 grams of water at 90 degrees celsius to make a saturated solution?")
.png "A 100-gram solution of water contains 29 grams of Solute B at 80 degrees celsius. What term describes the solution and why?")
.png "A 100-gram solution of water contains 60 grams of Solute C at 100 degrees Celsius. Describe the solution.")
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Mar 26, 2024Quiz Edited by
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Apr 17, 2012Quiz Created by
Kwchiro
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