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Eleventh Grade (Grade 11) Solvents, Solutes, and Solubility Questions

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Grade 11 Solvents, Solutes, and Solubility
It is a combination of solid, liquid, or gaseous chemical dissolved in a liquid medium.
  1. solute
  2. solvent
  3. solution
  4. mixture
Grade 11 Solvents, Solutes, and Solubility
A dissolving medium is called                .
  1. solute
  2. solvent
  3. solution
  4. mixture
Grade 11 Solvents, Solutes, and Solubility
What is the molarity of 138 g NaOH dissolved in 4000 mL of water?
  1. 0.8625 M
  2. 1.725 M
  3. 3.45 M
  4. 6.90 M
Grade 11 Solvents, Solutes, and Solubility
What is the molarity of 6 moles of sodium chloride dissolved in 450 mL of solution?
  1. 75 mol/L
  2. 13.3 mol/L
  3. 0.013 mol/L
  4. 133.3 mol/L
Grade 11 Solvents, Solutes, and Solubility
Since water possesses both a partially positive and a negative end, we refer to it as a
  1. a polar molecule.
  2. a hydrophobic molecule.
  3. a magnetic molecule.
  4. a nonpolar molecule.
Grade 11 Solvents, Solutes, and Solubility
If solutions are equal in strength, then the solutions are considered to be                  .
  1. hypertonic
  2. hypotonic
  3. isotonic
  4. none of the above
Grade 11 Solvents, Solutes, and Solubility
Which of the following correctly represents the equation for the molarity of a solution?
  1. [math]molarity={"moles of solute"}/{"moles of solvent"}[/math]
  2. [math]molarity={"moles of solvent"}/{"moles of solution"}[/math]
  3. Both (a) and (b)
  4. [math]molarity={"moles of solute"}/{"moles of solution"}[/math]
Grade 11 Solvents, Solutes, and Solubility
Water molecules take a large amount of energy to separate one from the other, meaning they can hold large amounts of energy before changing phase, this is
  1. density.
  2. high specific heat.
  3. surface tension.
  4. capillary action.
Grade 11 Solvents, Solutes, and Solubility
How many grams of NaOH are present in 1 mole of NaOH?
  1. 40 grams
  2. 50 grams
  3. 60 grams
  4. 70 grams
Grade 11 Solvents, Solutes, and Solubility
What is the molality of 4 moles of potassium nitrate dissolved in 240 g of water?
  1. 16.7 molal
  2. 60 molal
  3. 0.0167 molal
  4. 1.67 molal
Grade 11 Solvents, Solutes, and Solubility
What is the temperature of propanone at 20 kPa?
Vapor Pressure Chart
  1. 40ºC
  2. 20ºC
  3. 15ºC
  4. 55ºC
Grade 11 Solvents, Solutes, and Solubility
What is the molality of 75 g of [math]CaO[/math] dissolved in 1680 g of water?
  1. 0.045 molal
  2. 44.64 molal
  3. 446.4 molal
  4. 4.43 molal
Grade 11 Solvents, Solutes, and Solubility
What is the SI unit of molar concentration?
  1. [math]{mol}/{m^3}[/math]
  2. [math]{mol}/{cm^1}[/math]
  3. [math]{mol}/{cm^3}[/math]
  4. [math]{mol}/{dm^2}[/math]
Grade 11 Solvents, Solutes, and Solubility
What is the vapor pressure of propanone at 50ºC?
Vapor Pressure Chart
  1. 37 kPa
  2. 160 kPa
  3. 200 kPa
  4. 80 kPa
Grade 11 Solvents, Solutes, and Solubility
If a solution's solute is "weaker" than the solution, then we call the solution
  1. hypertonic.
  2. hypotonic.
  3. isotonic.
  4. none of the above.
Grade 11 Solvents, Solutes, and Solubility
Which of the following correctly represents the equation for parts per million?
  1. [math]"parts per million" = {mass of solute}/{mass of solvent} xx 1000000[/math]
  2. [math]"parts per million" = {mass of solute}/{mass of solution} xx 1000000[/math]
  3. [math]"parts per million" = {mass of solvent}/{mass of solute} xx 1000000[/math]
  4. [math]"parts per million" = {mass of solvent}/{mass of solution} xx 1000000[/math]
Grade 11 Solvents, Solutes, and Solubility
A 560-gram sample of solution contains 44 g of lithium chloride. What is the concentration in parts per million?
  1. 78.571 ppm
  2. 78571 ppm
  3. 785.71 ppm
  4. 7857.1 ppm
Grade 11 Solvents, Solutes, and Solubility
In which of the solvents below would hydrogen chloride dissociate nearly to completion?
  1. Water
  2. Glacial acetic acid
  3. Ethylene diamine
  4. Aniline
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