WorksheetsSolutions Review 1 (note packet)
Total questions: 10
Worksheet time: 50mins
Air is a solution that is 78% N2 and 21% O2, with less than one percent of H2O, Ar, CO2, and other gases. Which substance in air is the solvent?
N2
O2
H2O
There is no solvent
Solutions for which liquid water is the solvent are called (a) .
CHECK ALL THAT APPLY:
Which of the following are electrolytes?
H2O
H2SO4
KCl
NaCH3COO
CH3OH
Which one of the following is a weak electrolyte?
HNO3
NaOH
HF
NaCl
Which one of the following is a much stronger electrolyte than HCl?
HF
C6H12O6
HNO3
Na3PO4
What precipitate will form when aqueous solutions of calcium chloride and sodium carbonate are mixed?
there will be no precipitate
solid sodium chloride will precipitate
solid calcium will precipitate
solid calcium carbonate will precipitate
What product will result from mixing aqueous solutions of sodium hydroxide and hydrochloric acid?
there will be no reaction
liquid water
solid sodium chloride
chlorine gas (Cl2)
What product will result from mixing aqueous solutions of sodium bromide and ammonium sulfate?
there will be no reaction
solid sodium sulfate
solid ammonium bromide
liquid water
Sodium sulfide (Na2S) is a strong electrolyte. Propose a compound that would act as a stronger electrolyte than Na2S.
Silver chromate is a bright red compound that is insoluble in water. Propose two aqueous compounds that could be mixed to form silver chromate as a precipitate and explain your choice.
