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Chemistry
10th -
12thgrade
Solubility Curve, Saturation, and Solution
25 questions
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- 1. Multiple Choice
At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium chlorate, KClO3?
60 ºC
100 ºC
50 ºC
83 ºC
- 2. Multiple Choice
How many grams of KNO3, are soluble in 100 g of water at 40 ºC?
83 grams
75 grams
60 grams
12 grams
- 3. Multiple Choice
Which substance is LEAST soluble at 0 ºC?
KClO3
NaNO3
NaCl
K2Cr2O7
- 4. Multiple ChoiceWhich solute is the most soluble at 10 ⁰C?KIKClO3NH4ClNH3
- 5. Multiple ChoiceWhich solute is the least soluble at 90 ⁰C?SO2KClO3KIHCl
- 6. Multiple ChoiceHow does a solution become supersaturated?dissolve lots of solvent in it.dissolve a little solute in it.dissolve more solute than you should be able to.dissolve a super amount of solvent in it.
- 7. Multiple ChoiceWhich solute does not increase in solubility as temperature rises?NH3NaNO3KNO3NaCl
- 8. Multiple ChoiceWhen 20 grams of potassium chlorate, KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:supersaturatedsaturatedunsaturated
- 9. Multiple ChoiceWhen 20 grams of KNO3 is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:supersaturatedsaturatedunsaturated
- 10. Multiple Choice
When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:
supersaturated
unsaturated
saturated
- 11. Multiple Choice
When 42 grams of potassium chloride, is dissolved in 100 grams of water at 60 ºC, the solution can be correctly described as:
supersaturated
saturated
unsaturated
- 12. Multiple Choice
When the solution equilibrium point is reached and no more solute will dissolve, the solution is said to be _________.
unsaturated
saturated
supersaturated
- 13. Multiple Choice
Which of the following best describes a supersaturated solution?
a solution that contains the maximum amount of solute that is capable of being dissolved
a solution that contains less than the maximum amount of solute that is capable of being dissolved.
a solution that contains more than the maximum amount of solute that is capable of being dissolved.
none of the above
- 14. Multiple Choice
A solution with less than the maximum amount of solute completely dissolved.
Saturated solution
Unsaturated solution
Supersaturated solution
- 15. Multiple Choice
What type of a solution is 85g KBr completely dissolved at 40ºC in 100g H2O?
Saturated
Unsaturated
Supersaturated
- 16. Multiple Choice
What type of a solution is 40g KCl completely dissolved at 80ºC in 100g H2O?
Saturated
Unsaturated
Supersaturated
- 17. Multiple Choice
What type of a solution is 260g sugar at 50ºC in 100g H2O?
Saturated
Unsaturated
Supersaturated
- 18. Multiple Choicesubstance that dissolvessolventsolutionsoluteunsaturated
- 19. Multiple Choiceamount of solute that can dissolve in a given amount of solvent at a given temperaturesaturated solutionsolubilitypure substancecolloid
- 20. Multiple ChoiceChanging the temperature and pressure affects which of the following?the concentration of an unsaturated solutionthe polarity of the solvent needed to dissolve a solutethe solubility of a solute in a particular solventnone of these
- 21. Multiple ChoiceWhich of the following would have the fastest rate of dissolution?a sugar cube in hot watera sugar cube in cool waterpowdered sugar in hot waterpowdered sugar in cool water
- 22. Multiple ChoiceThe solubility of gases is lower in ___ temperaturesconstanthigherlowerabsolute zero
- 23. Multiple ChoiceWhat does it mean to be "Soluble" ?Capable of being a solid.To have soul.Capable of being dissolved.To sink.
- 24. Multiple ChoiceWhat is a solvent?The substance that does the dissolving in a solution.The substance that is being dissolved in a solution.The mixing of different substances.The process in which neutral molecules lose or gain electrons
- 25. Multiple ChoiceWhich of the following usually makes a substance dissolve faster in a solvent?agitating the solutionincreasing the particle size of the solutelowering the temperaturedecreasing the number of particles
- Answer choicesTagsAnswer choicesTags