Chem 4/27- 4/28 Quiz Solubility
Quiz by Veronica Nickols
High School
Chemistry (2017)
Texas Essential Knowledge and Skills (TEKS)
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10 questions
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- Q1Which of the following would result in being able to dissolve a greater amount of gas in a solution?Heat the gas and solutionDecrease the pressure of the solutionMake the gas an eectrolyteCool the gas and solution30s112.35.c.10.f
- Q2Which of the following would decrease the rate of solution when dissolving a solid in water?Stir the solution after mixingCrush the Solid before mixingRaise the temperature of the solutionUse a single cube of solid30s112.35.c.10.f
- Q3Which of the following would increase the rate of dissolution of a solid in solution?Dry up the solventStir the solid and the solutionCool the solid and solutionCool only the solid30s112.35.c.10.f
- Q4Which of the following statements makes a valid conclusion regarding the graph above?At 10 degrees C, potassium nitrate has a greater solubility when compared to the solubility of sodium chlorideAt 30 degrees C, sodium chloride has a greater solubility when compared to the solubility of potassium chlorideTemperature has a greater effect on the solubility of potassium nitrate compared to sodium chlorideTemperature has a greater effect on the solubility of sodium chloride compared to potassium nitrate30s112.35.c.10.f
- Q5A solution that contains the maximum amount of solute that is soluble at a given temperature is said to be a -unsaturated solutionsaturated solutionsupersaturated solutiondilute solution30s112.35.c.10.e
- Q6A solution in which more solute is dissolved than is typically soluble at a given temperature is -dilutedsupersaturatedunsaturatedsaturated30s112.35.c.10.e
- Q7Refer to the graph. 90 grams of sodium nitrate (NaNO3) is put into 100 grams of water and stirred. The final mixture has a temperature of 20 degrees C. About how many grams of the sodium nitrate dissolved?7380882330s112.35.c.10.b
- Q8Why is water sometimes called the "universal solvent"?The adhesion level in H2O is very highMany substances dissolve in H2OThe hydrogen bonding of H2O is very lowThe density of H2O is 1.0 g/cm330s112.35.c.10.a
- Q9Students are asked to make statements about the solubility graph above. Which student does the best job of communicating the general features of the graph?Student A: Most salts require 100 grams of water in order to dissolve completelyStudent C: The solubility of most salts increases with increasing temperatureStudent D: Most curves show a decreasing slope as the temperature risesStudent B: Table salt has the average solubility of all salts30s112.35.c.10.b
- Q10Refer to the graph above. In order to have a saturated solution, how many grams of potassium nitrate, KNO3, need to be dissolved in 100 grams of water at 20 degrees C?60100302030s112.35.c.10.b
