Concept explainers
(a)
Interpretation:
The keyword for the description, “an unstable solution that contains more of the dissolved solute than the maximum amount, as dictated by solubility�, is to be identified.
(b)
Interpretation:
The keyword for the description, “a homogeneous mixture of two or more substances uniformly dispersed at a molecular or ionic level�, is to be identified.
(c)
Interpretation:
The keyword for the description, “the moles of solute per kilogram of solvent�, is to be identified.
(d)
Interpretation:
The keyword for the description, “the substance being dissolved in another, which is usually the present in a lesser amount�, is to be identified.
(e)
Interpretation:
The keyword for the description, “An intermolecular force between an ion and a polar molecule�, is to be identified.
(f)
Interpretation:
The keyword for the description, “the relative amounts of the solute and the solvent in a solution�, is to be identified.
(g)
Interpretation:
The keyword for the description, “the mass of the solute divided by the mass of the solution and multiplied by
(h)
Interpretation:
The keyword for the description, “a solution that contains less than the maximum amount of solute possible in a stable system�, is to be identified.
(i)
Interpretation:
The keyword for the description, “a barrier that allows the passage of solvent molecules but not of solute particles�, is to be identified.
(j)
Interpretation:
The keyword for the description, “the process of determining the concentration of one substance in a solution by reacting with a solution of another substance of a known concentration�, is to be identified.
(k)
Interpretation:
The keyword for the description, “the mass of the solute divided by the mass of the solution and multiplied by
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INTO TO CHEMISTRY (EBOOK ACCESS CODE)
- Explain why the distinction between solute and solvent is not clear for some solutions.arrow_forwardAmmonium chloride is a strong electrolyte. Draw a molecular-level picture of this substance after it dissolves in water.arrow_forwardA solution is defined as a homogeneous mixture. Is a small sample of air a solution? Is the atmosphere a solution?arrow_forward
- Use the term soluble, insoluble, or immiscible to describe the behavior of the following pairs of substances when they are shaken together: a.25mL of cooking oil and 25mL of vinegar the resulting mixture is cloudy and gradually separates into two layers. b.25mL of water and 10mL of rubbing alcohol the resulting mixture is clear and colorless. c.25mL of chloroform and 1g of roofing tar the resulting mixture is clear but dark brown in color.arrow_forwardDistinguish between the solute and solvent in each of the following solutions: a saltwater [NaCl(aq)]; b sterling silver (92.5%Ag,7.5%Cu); c air about 80%N2,20%O2. On what do you base your distinctions? Sterling silver is an alloy of 92.5 silver and 7.5 another metal, usually copper.arrow_forwardMixtures of gases are always true solutions. True or false? Explain why.arrow_forward
- In a dilute solution of sodium chloride in water, the sodium chloride is the: a. solvent. b. solute. c. precipitate. d. reactant.arrow_forwardA patient has a “cholesterol count” of 214. Like manyblood-chemistry measurements,this result is measured inunits of milligrams per deciliter (mgdL1). Determine the molar concentration of cholesterol inthis patient’s blood, taking the molar mass of cholesterolto be 386.64gmol1. Estimate the molality of cholesterol in the patient’sblood. If 214 is a typical cholesterol reading among men inthe United States, determine the volume of such bloodrequired to furnish 8.10 g of cholesterol.arrow_forward
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