Chapter 11: Solutions 18. What will happen to a blood cell that is placed in an

Question

Chapter 11: Solutions 18. What will happen to a blood cell that is placed in an aqueous solution that has a high salt concentration relative to the blood cell concentration? A) The cell will shrink because there will be a net flow of water to the outside of the B) The cell will shrink because there will be a net flow of electrolytes to the outside of C) The cell will expand because there will be a net flow of water to the D) The cell will expand because there will be a net flow of electrolytes to the inside of cell. the cell cell. the cell. inside of the 19. Which of the following properties of water increases as the concentration of particles dissolved in the water increases? A) vapor pressure B) freezing point C) boiling point D) none of these 20. What happens to the vapor pressure, boiling point, and freezing point of a liquid whena solute is dissolved in the liquid to form a solution? A) vapor pressure increases, boiling point decreases, and freezing point decreases B) vapor pressure decreases, boiling point decreases, and freezing point decreasers C) vapor D) pressure decreases, boiling point increases, and freezing point decreases vapor pressure increases, boiling point decreases, and freezing point increases vapor pressure increases, boiling point increases, and freezing point increases E) TRUE or FALSE QUESTIONS. Mark with a T if it is true, an F if it is false 21. Vinegar is a mixture of about 5 g of acetic acid to every 95 g of water. Therefore, the acetic acid is the solvent, and the water is the solute. 22. Sterling silver is an alloy consisting of silver mixed with a small amount of copper Therefore, the silver is the solvent and the copper is the solute. 23. Gases are more soluble in water at higher temperature 24. High molar mass gases are more soluble in water at higher temperature. 25. Solids are generally more soluble in water at higher temperature. 26. Compared to a pure solvent, a solution in the same liquid has a lower boiling point. 27. All solids without exceptions are more soluble in water at higher temperature. 28. Electrolytes are conducting electricity 29. Non electrolytes are only found to be in gaseous state 30. NH.NOs aqueous solution is conducting electricity, it is an electrolyte

Explanation / Answer

18.

the shell will shrink because there will be a net flow of water molecules to the outside of the cell.

19.

with the addition of particles to the water, the boiling point is elevated i.e., increases.

20.

when a solute is dissolved in water,

vapor pressure and freezing point decreases

boiling point increases.

21.

given statement is false, because, vinegar is solute and water is solvent

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