Which refers to the amount of a solute that will dissolve in a given volume of solvent at a given temperature and pressure?solubilitysupersaturateddissolution rateconcentrated
  • A. Solubility
  • unsaturated
  • A. Supersaturated
  • A. increasing the pressure
Solute crystals are added to a solution until they begin to sink to the bottom of their container. The solution is then heated, and many more solute crystals dissolve. Which term best describes the solution immediately after it was heated?saturatedunsaturatedconcentratedsupersaturated
  • B. Unsaturated
  • A. a bottle that is sealed
  • A. Supersaturated
  • unsaturated
The concentration of a solute in a solution is greater than the maximum concentration that is predicted from the solute's solubility. What is the best way to describe this solution?dilutedsaturatedunsaturatedsupersaturated
  • D.
  • C.
  • B.
  • A.
Under which conditions would the solubility of a gas be greatest?high pressure and high temperaturehigh pressure and low temperaturelow pressure and high temperaturelow pressure and low temperature
  • B. high pressure and low temperature
  • A. increasing the pressure
  • C.
  • C. 65 g/100 mL of water
The graph below shows how solubility changes with temperature.mc026-1.jpgWhich two solutions have similar solubilities at 40°C?Na2SO4 and NaClNa2HAsO4 and NaClNa2HAsO4 and Na2SO4Ba(NO3)2 and Ce2(SO4)3 • 9H2O
  • C. 65 g/100 mL of water
  • A.
  • C.
  • D.
A chemist dissolved crystals of an unknown substance into water at room temperature. He found that 33 g of the substance can be dissolved into 100 mL of water. What property of the unknown substance was the chemist most likely investigating?its solubilityits rate of dissolutionits chemical reaction to waterits reaction to temperature changes
  • B.
  • D.
  • A.
  • C.
Which method would increase the solubility of a gas?increasing the pressurestirring the solvent quicklyincreasing the temperaturedecreasing the amount of solvent
  • C. 65 g/100 mL of water
  • A. a bottle that is sealed
  • A. Solubility
  • A. increasing the pressure
A beaker contains a solution. A single solute crystal is added to the solution. Immediately, crystals form in the solution. Which term best describes the solution before the crystal was added?supersaturatedunsaturateddilutedsaturated
  • A. a bottle that is sealed
  • A. Supersaturated
  • B. Unsaturated
  • unsaturated
Which is true about the dissolving process in water?Nonpolar solutes dissolve easily in water.Solute molecules surround water molecules.Molecules or ions of a solute spread throughout the water molecules.Water molecules are repelled by solute ions at the surface of the solute.
  • A. a bottle that is sealed
  • B.
  • C. Molecules or ions of a solute spread throughout the water molecules.
  • C.
A chemist has dissolved a certain substance in water. The chemist knows that more of the substance could be dissolved into the water before it stops dissolving. Therefore, the current solution is _______________________.
  • A. Solubility
  • unsaturated
  • A. Supersaturated
  • B. Unsaturated
Under which conditions will sugar most likely dissolve fastest in a cup of water?a sugar cube with stirring at 5°Ca sugar cube without stirring at 15°Csugar crystals with stirring at 15°Csugar crystals without stirring at 5°C
  • D.
  • B.
  • A.
  • C.
The graph below shows how solubility changes with temperature.mc022-1.jpgWhat is the solubility of Na2HAsO4 at 60°C?20 g/100 mL of water46 g/100 mL of water65 g/100 mL of water70 g/100 mL of water
  • B. high pressure and low temperature
  • C.
  • C. 65 g/100 mL of water
  • A. increasing the pressure
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