Chapter 9: Solutions

Select the diagram that represents the solution formed by a solute that is a $(9.2)$

a. nonelectrolyte

b. weak electrolyte

c. strong electrolyte

$NaOH$is a strong electrolyte, and $C{H}_{3}OH$is a nonelectrolyte. How is the solution of $NaOH$different from that of $C{H}_{3}OH$ ?

Select the container that represents the dilution of a $4\%(m/v)KCl$solution to give each of the following: $(9.5)$

a. a $2\%(m/v)KCl$solution

b. a $1\%(m/v)KCl$solution

A pickle is made by soaking a cucumber in brine, a salt-water solution. What makes the smooth cucumber become wrinkled like a prune? $(9.6)$

Why do lettuce leaves in a salad wilt after a vinaigrette dressing containing salt is added?$(9.6)$

A semipermeable membrane separates two compartments, $A$and $B$. If the levels in $A$and $B$are equal initially, select the diagram that illustrates the final levels in a to d: $(9.6)$

Select the diagram that represents the shape of a red blood cell when placed in each of the following a to $e:(9.6)$

a. $0.9\%(\mathrm{m}/\mathrm{v})\mathrm{NaCl}$solution

b. localid="1654008537048" $10\%(m/v)$glucose solution

c. localid="1654008233523" $0.01\%(m/v)NaCl$solution

d. localid="1654008237506" $5\%(m/v)$glucose solution

e. localid="1654008241312" $1\%(m/v)$glucose solution

Why does iodine dissolve in hexane, but not in water? $(9.1)$

How do temperature and pressure affect the solubility of solids and gases in water?$(9.3)$

Potassium nitrate has a solubility of $32gofKN{O}_{3}in100.gof{H}_{2}Oat20°C$. Determine if each of the following forms an unsaturated or saturated solution at $20°C:(9.3)$

a. adding localid="1653998424495" $32gofKN{O}_{3}to200.gof{H}_{2}O$

b. adding localid="1653998430681" $19gofKN{O}_{3}to50.gof{H}_{2}O$

c. addinglocalid="1653998451738" $68gofKN{O}_{3}to150.gof{H}_{2}O$