Chapter 8 Solutions
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| saturated solution | Contains dissolved solute in equilibrium with undissolved solid
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| Which is a suspension blood or yogurt | blood
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| Which is a colloid Grape juice or yogurt | Yogurt
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| In a solution, the solute is: | the substance that is dissolved
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| what processes requires energy? | active transport
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| A water solution of sodium chloride is classified as a(n): | strong electrolyte
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| 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)
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| 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
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| 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)
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| Calculate the mass percent of a solution prepared by dissolving 17.2 g of NaCl in 149g of water. | 10.3%
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| 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
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| 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
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| 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
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| What volume of 8.25 M NaOH solution must be diluted to prepare 2.40 L of 0.500 M NaOH solution? | 145 mL
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| 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
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| The process of crenation occurs when the concentration outside a cell is ____ and is said to be _____. | higher in concentration; hypertonic
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| In general, the solubility of___ in water decreases as temperature increases. | gases
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| The transport of large polar molecules across a cell membrane occurs via | facilitated transport
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| A homogeneous mixture consists of 12% ethanol, 28% methanol and 60% water. Which of these is the solvent for the mixture? | Water
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| A homogeneous mixture consists of 34% ethanol and 66% isopropanol. Which of these is the solute of the mixture? | ethanol
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| 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
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| Which one of the following compounds will be least soluble in water? CH3NH2 CH3CH2OH CH3CHO CH3OCH3 | CH3OCH3
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| 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.
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| 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
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| 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
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| Which is an example of a nonelectrolyte? MgCl2 HC2H3O2 C12H22O11 Na2SO4 | C12H22O11
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| 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
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| Which one of the following compounds will be most soluble in hexane, a nonpolar solvent? CH3CH2OH CH3CH2CH2OH CH3CH2CH2CH2CH3 CH3OH | CH3CH2CH2CH2CH3
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