Which of the following is NOT a property of water?
strong surface tension
ability to dissolve polar molecules
low boiling point
high capillary action with glass
Which of the following statements regarding water is true?
Water is called the universal solvent because it dissolves everything.
Water dissolves only non-polar substances.
Water dissolves polar and ionic substances.
Water dissolves both polar and non-polar substances.
Which of the following is soluble in water?
Which of the following mixtures of reactants will NOT form a precipitate?
Zn(NO3)2 and Na2S (aq)
Rb2S (aq) and LiCl (aq)
K2CO3 (aq) and Mg(NO3)2 (aq)
Na3PO4 (aq) and AgNO3 (aq)
Which of the following describes the correct net ionic equation for the reaction of copper (II) chloride solution with silver nitrate solution?
CuCl2 (aq) + AgNO3 (aq) → Cu(NO3)2 (aq) + AgCl (s)
CuCl2 (aq) + 2AgNO3 (aq) → Cu(NO3)2 (aq) + 2AgCl (s)
Cu2+ (aq) + 2Cl- (aq) + 2Ag+ (aq) + 2NO3- (aq) → Cu2+ (aq) + 2NO32- (aq) + 2AgCl (s)
2Cl- (aq) + 2Ag+ (aq) → 2AgCl (s)
Which of the following best describes a solution?
Solids settle in the bottom of the beaker after being left to sit.
Solute and solvent cannot be differentiated.
Two samples differ when taken from the same beaker.
Chunks are suspended in a fluid.
When carbon dioxide gas is dissolved in water, the carbon dioxide gas is called the:
Which of the following is a colligative property of solutions?
Vapor pressure lowering
Boiling point depression
Freezing point elevation
Ethylene glycol, C2H6O2, is a nonvolatile substance unable to form ions in water. If 38.6 grams of ethylene glycol is dissolved in 175 grams of water, what is the freezing point of the solution? Kf = 1.86°C/m; Kb = 0.512°C/m
The smaller the pH scale value, the greater the concentration of H3O+ ions.
A solution of NaOH has a concentration of 3.02 x 10-2 M. What is the pOH of this solution?
pOH = 3.02
pOH = 2.00
pOH = 1.52
pOH = 12.48
Given a solution with a pH of 2.8, what is the [H+] of the solution?
6.31 x 10-12 M
1.58 x 10-3 M
An HCl solution has a concentration of 3.26 x 10-2 M. What is the pH of this solution?
pH = 12.5
pH = 1.49
pH = 3.3
pH = 2.0
The equivalence point is:
The point at which the concentrations of base and acid are equal
The point at which the volumes of base and acid are equal
The point at which the concentration and volumes of base and acid are equal
The point at which the number of moles of hydrogen and hydroxide ions are equal
128 mL of 1.50 x 10-2 M NaOH is used to titrate 225 mL of a monoprotic acid with unknown concentration to reach the equivalence point. What is the concentration of the original acid?
1.50 x 10-2 M
1.17 x 10-1 M
1.92 x 10-3 M
8.53 x 10-3 M