WorksheetsSolutions
Total questions: 47
Worksheet time: 24mins
A homogeneous mixture of two or more pure substances
Solution
Solute
Solvent
Solubility
The substance being dissolved
Solution
Solute
Solvent
Solubility
The substance doing the dissolving
Solution
Solute
Solvent
Solubility
The ability of a solute to dissolve in a solvent
Solution
Solute
Solvent
Solubility
A solution in which water is the solvent
Polar
Electrolyte
Nonelectrolyte
Aqueous
A molecule in which the electrons are shared unevenly, resulting in one end of the molecule being positive and the other being negative
Polar
Electrolyte
Nonelectrolyte
Aqueous
An aqueous solution that conducts electricity
Polar
Electrolyte
Nonelectrolyte
Aqueous
An aqueous solution that does not conduct electricity
Polar
Electrolyte
Nonelectrolyte
Aqueous
A solution that contains the maximum amount of solute at a given temperature
Saturated
Unsaturated
Supersaturated
A solution that contains more than the maximum amount of solute at a given temperature
Saturated
Unsaturated
Supersaturated
A solution that contains less than the maximum amount of solute at a given temperature
Saturated
Unsaturated
Supersaturated
Uneven distribution of a charge on a molecule, allows water to dissolve many substances
polarity
hydrogen bonds
cohesion
surface tension
Weak bonds that form between the positive hydrogens and negative oxygens of polar water molecules, giving water many of its unique properties
polarity
hydrogen bonds
cohesion
surface tension
Property of water where water molecules stick to each other
polarity
hydrogen bonds
cohesion
surface tension
Property of water where hydrogen bonds between water molecules cause a 'film' to develop at the surface; allows bugs to sit on top of water
polarity
hydrogen bonds
cohesion
surface tension
Property of water where water molecules stick to other surfaces
adhesion
capillary action
boiling point
universal solvent
Property of water where water molecules can "climb" structures; straws in water make use of this property
adhesion
capillary action
boiling point
universal solvent
Water has a high ___ ___ because it requires a great deal of energy to overcome the hydrogen bonding in the liquid phase to change it to a gas
adhesion
capillary action
boiling point
universal solvent
Water is known as the ___ ___ because its unique properties allow it to dissolve more substances than any other solvent
adhesion
capillary action
boiling point
universal solvent
Liquid mercury
element
compound
solution (homogeneous mixture)
heterogeneous mixture
Sodium chloride
element
compound
solution (homogeneous mixture)
heterogeneous mixture
Air
element
compound
solution (homogeneous mixture)
heterogeneous mixture
Brass
element
compound
solution (homogeneous mixture)
heterogeneous mixture
Is making a solution a physical or chemical change?
physical change
chemical change
When the temperature of a solvent increases, solubility of ____ increases.
solids
liquids
gases
solids and liquids
Which salt is least soluble at 50°C?
Ce2(SO4)3
KClO3
KCl
KNO3
How many grams of KCl are expected to dissolve in water at 90 °C?
55 g
50 g
60 g
70 g
50 g of KNO3 dissolved into 100 g of water at 60°C.
saturated
supersaturated
unsaturated
50 g of KCl dissolved into 100 g of water at 50°C.
saturated
supersaturated
unsaturated
25 g of CaCl2 dissolved into 100 g of water at 10 °C.
saturated
supersaturated
unsaturated
45 g of NaCl dissolved into 100 g of water at 100 °C.
saturated
supersaturated
unsaturated
30 g of K2Cr2O7 dissolved in 100 g of water at 50 °C.
saturated
supersaturated
unsaturated
Use solubility rules to determine if the following is soluble (aq) or insoluble (s) in water: CaSO4
soluble (aq)
insoluble (s)
Use solubility rules to determine if the following is soluble (aq) or insoluble (s) in water: AgNO3
soluble (aq)
insoluble (s)
When KNO3 dissolves in water, what ions will it form?
K+ and NO3-
KN+ and O3-
N+ and KO3-
NO+ and KO2-
When PbI2 dissolves in water, into what ions will it dissociate?
Pb2+ and I-
I+ and Pb2-
Pb+ and I2-
Pb3+ and I-
When Al2O3 dissolves in water, what ions will it dissociate into?
Al3+ and O2-
Al2+ and O3-
O+ and Al-
Al+ and O-
Use solubility rules to determine which of the following will produce a precipitate (s).
3NaBr(aq) + AlNO3(aq) → NaNO3(___) + AlBr3(___)
NaNO3 only
AlBr3 only
both NaNO3 and AlBr3
neither NaNO3 and AlBr3
Predict whether the following compound is soluble or insoluble in water: Methane (CH4) (nonpolar)
soluble (aq)
insoluble (s)
Predict whether the following compound is soluble or insoluble in water: Ammonia (NH3) (polar)
soluble (aq)
insoluble (s)
Predict whether the following compound is soluble or insoluble in water: Fe2O3 (ionic)
soluble (aq)
insoluble (s)
Identify the following aqueous solution as a strong electrolyte, weak electrolyte, or nonelectrolyte: Sr(OH)2
Strong electrolyte
Weak electrolyte
Nonelectrolyte
Identify the following aqueous solution as a strong electrolyte, weak electrolyte, or nonelectrolyte: H2CO3
Strong electrolyte
Weak electrolyte
Nonelectrolyte
Identify the following aqueous solution as a strong electrolyte, weak electrolyte, or nonelectrolyte: C12H22O11
Strong electrolyte
Weak electrolyte
Nonelectrolyte
Identify the following aqueous solution as a strong electrolyte, weak electrolyte, or nonelectrolyte: HNO3
Strong electrolyte
Weak electrolyte
Nonelectrolyte
Identify the following aqueous solution as a strong electrolyte, weak electrolyte, or nonelectrolyte: CH4
Strong electrolyte
Weak electrolyte
Nonelectrolyte
When the pressure on a solvent increases, solubility of ____ increases.
solids
liquids
gases
solids and liquids
