WorksheetsSolutions and Colligative Properties
Total questions: 35
Worksheet time: 18mins
When CH3OH is dissolved in water, how many particles are in solution?
1
3
4
5
6
When KCl (potassium chloride) is dissolved in water, how many particles are in solution?
1
2
3
4
6
When CaBr2 is dissolved in water, how many particles will be in solution?
1
2
3
4
5
Which water-soluble compound below has the largest effect on freezing point?
LiBr
CaF2
A solution that has the maximum amount of solute dissolved in the solvent is called __________________.
saturated
supersaturated
unsaturated
suspension
A solution that has less than the maximum amount of solute dissolved in the solvent is called __________________.
saturated
supersaturated
unsaturated
suspension
A solution that has more than the maximum amount of solute dissolved in the solvent is called __________________.
saturated
supersaturated
unsaturated
suspension
Dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, and 0.04% carbon dioxide. What is the solvent in the solution we call air?
nitrogen
oxygen
argon
carbon dioxide
What is the name for a substance that dissolves in water but does not form ions or conduct an electric current?
electrolyte
nonelectrolyte
saturated
insoluble
This sugar solution would be considered
Unsaturated
Supersaturated
Saturated
Undefined
This graph represents a(n) ___ solution of sugar.
saturated
supersaturated
unsaturated
undefined
If the temperature stays the same, the solubility of gases in liquids
increases with increasing pressure
cannot reach equilibrium
decreases with increasing pressure
does not depend on pressure
Electrolytes have a greater effect on colligative properties than nonelectrolytes do because electrolytes
are volatile
have higher boiling points
produce fewer moles of solute particles per mole of solvent
produce more moles of solute particles per mole of solvent
What is the correct ion equation for NaF?
NaF-> Na2+ + 2F-
NaF-> Na+ + F-
NaF-> Na- + F+
None of the above
Water is the solvent in the beakers. Which temperatures could be the boiling point for beaker 1?
100oC
95oC
98oC
105oC
110oC
While making homemade ice cream, you add rock salt to the ice. Which choice below provides the best explanation for why this is done?
Adding salt to the ice will lower the freezing point by creating a solution that's freezing point is lower than just the ice.
Adding salt to the ice will lower the freezing point by creating a solution that's freezing point is higher than just the ice.
Adding salt to the ice will raise the freezing point by creating a solution that's freezing point is lower than just the ice.
Adding salt to the ice will raise the freezing point by creating a solution that's freezing point is higher than just the ice.
Making water warmer will ___ the amount of CO2(g) dissolved in it.
lower
raise
not change
In Denver, CO the amount of N2 dissolved in water at the same temperature is ___ in York, PA
higher than
lower than
the same as
Using the attached table, which of the solutions described in the table would have the highest boiling point?
The solutions of solute X.
The solution of solute Y.
The solution of solute Z.
All three solutions would have the same boiling point.
Why is salt added to roads & walkways in the winter?
It is added to lower the freezing point and prevent ice from forming.
It is added to melt any ice that forms.
It is added to prevent ice from forming & to melt any ice that does.
Which of the following would best remove Sharpie marker from your wall if this marker is known to be non-water soluble.
salt water
ammonia, NH3
acetone (finger nail polish remover) CH3COCH3
distilled water
Which of the following molecules does not dissolve in water?
HF
H2
HCl
HBr
Which statement is true?
CH3CH2CH2CH2CH2CH3 dissolves in water because of dispersion forces
CH3F dissolves in water because of dipole-dipole forces
CH4 dissolves in water because of hydrogen bonding
Which of the following molecules would dissolve in oil, a nonpolar solvent?
CHCl3
NH3
CCl4
HBr
Which molecule(s) will be soluble in water?
CH4
HCl
H2
CH3CH2OH
Ammonia, NH3, dissolves in water because of ---- between the water and ammonia molecules.
London dispersion forces
Dipole - Dipole
Hydrogen bonding
covalent bonding
Ingredient labels list ingredients in order of amount from most to least. Caffeine is --- in Coke.
solvent
solute
For NH3(aq)... (check all that apply)
NH3 is the solvent
NH3 is the solute
Water is the solvent
Water is the solute
K2SO4 dissolves in water because of ...
dispersion forces
dipole-dipole attractions
hydrogen bonding
ion-dipole attractions
