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Chapter 8 Solutions

QuestionAnswer
saturated solution Contains dissolved solute in equilibrium with undissolved solid
Which is a suspension blood or yogurt blood
Which is a colloid Grape juice or yogurt Yogurt
In a solution, the solute is: the substance that is dissolved
what processes requires energy? active transport
A water solution of sodium chloride is classified as a(n): strong electrolyte
Which of the following equations represents a non-electrolytes solution? KNO3(s) --> K+1 (aq) + NO3 ̄1(aq) C6H12O6(s) --> C6H12O6(aq) HBO3(s) <---> H2BO31 (aq) + H+1 C6H12O6(s) + O2(g) --> CO2(g) + H2O(1) C6H12O6(s) --> C6H12O6(aq)
which equation represents weak electrolyte solution? KNO3(s) --> K+1 (aq) + NO3 ̄1(aq) C6H12O6(s) --> C6H12O6(aq) HBO3(s) <---> H2BO31 (aq) + H+1 C6H12O6(s) + O2(g) --> CO2(g) + H2O(1) HBO3(s) <---> H2BO31 (aq) + H+1
which equation represents strong electrolyte solution? KNO3(s) --> K+1 (aq) + NO3 ̄1(aq) C6H12O6(s) --> C6H12O6(aq) HBO3(s) <---> H2BO31 (aq) + H+1 C6H12O6(s) + O2(g) --> CO2(g) + H2O(1) KNO3(s) --> K+1 (aq) + NO3 ̄1(aq)
Calculate the mass percent of a solution prepared by dissolving 17.2 g of NaCl in 149g of water. 10.3%
What is the %v/v concentration of a solution made by adding 25 mL of acetone to enough water to make 75 mL solution? 33%v/v
Calculate the volume (in L) of a solution that contains 3.12 moles of NaCl if the concentration of this solution is 6.67 M NaCI? 0.468 L
What is the molarity of a solution formed by dissolving 45 g NaOH in water to give a final volume of 250 mL? 4.5 M
What volume of 8.25 M NaOH solution must be diluted to prepare 2.40 L of 0.500 M NaOH solution? 145 mL
To prevent the process of either crenation or hemolysis with red blood cells an intravenous solution concentration should be ____to the concentration of blood. isotonic
The process of crenation occurs when the concentration outside a cell is ____ and is said to be _____. higher in concentration; hypertonic
In general, the solubility of___ in water decreases as temperature increases. gases
The transport of large polar molecules across a cell membrane occurs via facilitated transport
A homogeneous mixture consists of 12% ethanol, 28% methanol and 60% water. Which of these is the solvent for the mixture? Water
A homogeneous mixture consists of 34% ethanol and 66% isopropanol. Which of these is the solute of the mixture? ethanol
Of the following, which can serve as the solute in a solution? a liquid a solid a gas All can serve as a solute in solution
Which one of the following compounds will be least soluble in water? CH3NH2 CH3CH2OH CH3CHO CH3OCH3 CH3OCH3
Which statement best describes the phrase "like dissolves like"? The only true solutions are formed when water dissolves a polar solute. A solvent and a solute with similar intermolecular forces will easily make a solution. A solvent and a solute with similar intermolecular forces will easily make a solution.
You have an unknown liquid that is soluble in water but not in benzene (a HO nonpolar solvent). Which type of intermolecular forces does this unknown have? polar
Which has the least effect on the solubility of a solid in a liquid solvent? temperature pressure nature of the solvent nature of the solute pressure
Which is an example of a nonelectrolyte? MgCl2 HC2H3O2 C12H22O11 Na2SO4 C12H22O11
How much water must be added when 125 mL of a 2.00 M solution of HCI is diluted to a final concentration of 0.400 M? 500 mL
Which one of the following compounds will be most soluble in hexane, a nonpolar solvent? CH3CH2OH CH3CH2CH2OH CH3CH2CH2CH2CH3 CH3OH CH3CH2CH2CH2CH3
Created by: mosciencehelp
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