Amount of solute dissolved in a given volume of a saturated solution.
100
Which response lists all of the following pairs that are miscible liquids?
#1 octane (C8H18) and water
#2 acetic acid (CH3COOH) and water
#3 octane and carbon tetrachloride
a. 1,3
b. 2,3
c. 1,2, 3
b. 2,3
100
All of the following are independent of temperature except
a. molality
b. mole fraction
c. mass percent
d. molarity
d. molarity
100
What is the percent by mass of CsCl in a 0.711 M aqueous CsCl solution that has a density of 1.091 g/mL?
11 %
200
Define unsaturated solution.
Contains less solute than its capability to dissolve.
200
In HI ___ are the most important intermolecular forces
a. dipole-dipole
b. hydrogen
c. london dispersion
a. dipole-dipole
200
A 3.35 M NaCl solution has a density of 1.54 g/mL.
Calculate the percent by mass.
12.7%
200
Which of the following is not a colligative property?
a. vapor pressure lowering
b. atmospheric pressure
c. boiling point elevation
d. osmotic pressure
e. freezing point depression
b. atmospheric pressure
300
Define osmosis
The selective passage of solvent molecules through a porous membrane from a dilute solution to a more concentrated one
300
What type of intermolecular forces exist between hydrogen fluoride molecules?
a. london dispersion
b. dipole dipole interactions
c. hydrogen bonding
d. Ion dipole
e. a b c
f. all
e. a, b, and c
300
What is the molarity of a solution that contains 26% by mass H3PO4 and that has a density of 1.155 g/mL
3.06 M
300
The solubility of a gas ____ as the temperature increases
Decreases
400
Define molarity.
The number of moles of solute divided by the number of liters of solution
400
Octane is a component of fuel used in internal combustion engines. The dominant intermolecular forces in octane are?
London dispersion
400
What mass of LiOH is needed to prepare 250mmL of a 3.55 M solution
21 g
400
The solubility of a gas _____ as the pressure of the gas over the solution increases
increases
500
Define molality
The number of moles of solute dissolved in 1kg of solvent. Temperature independent.
500
What is the intermolecular force that exists between a magnesium and hydrogen sulfide
Ion-dipole
500
A 1.42 M solution of citric acid (H3C6H5O7) in water has a density of 1.75 g/mL. What is the molality of the solution?
1.57 m
500
What is the boiling point and freezing point of a 4.67 m solution of naphthalene in benzene?