Solutions

The substance being dissolved is called the ________

• solvent

• solid

• solute

• solvate

An electrolyte is...

• The rapid, random movement of particles in colloidal dispersion.
• A substance that dissolves in water and conducts electric current.
• A substance that dissolves in water and does not conduct electric current.
• The solution process when water is the solvent.

How much KNO₃ solute is saturated at 40 degrees?

• 75

• 55

• 65

• 85

Which solute is MOST likely a gas?

• KNO₃

• NaNO₃

• KCl

• Ce₂(SO₄)₃

What does "like dissolves like" mean?

• polar solvents dissolve in polar solutes

• polar solutes dissolve in polar solvents

• non-polar solvents dissolve in polar solutes

• non-polar solutes dissolve in polar solvents

What type of a solution is 25 g NaCl at 70ºC in 50 g H₂O?

• Saturated

• unsaturated

• supersaturated

• difficult to determine

Gases are more soluble at ______temps and _____pressures

• high, low

• low , high

• high, high

• low, low

State whether the following compound is soluble or insoluble: calcium carbonate CaCO₃

• soluble

• insoluble

State whether the following compound is soluble or insoluble: Zinc hydroxide Zn(OH)₂

• Soluble

• Insoluble

State whether the following compound is soluble or insoluble: Silver iodide AgI

• Soluble

• Insoluble