Solubility and Solutions Concepts

What is solubility?

• The ability of a substance to remain undissolved in another.

• The ability of a substance to dissolve in another and form a solution.

• The process of separating a mixture into its components.

• The amount of a substance that can be absorbed by another.

In a hot chocolate drink, what acts as the solvent?

• The hot chocolate mix.

• The water.

• The sugar.

• The mug.

Why is water considered a "universal solvent"?

• It is the most abundant substance on Earth.

• It can dissolve all known substances.

• Its unique molecular structure allows it to dissolve many different polar substances.

• It has a very high boiling point.

When salt dissolves in water, what happens to the salt?

• It evaporates into the air.

• It forms a suspension with the water.

• Its individual sodium and chloride ions dissociate and are surrounded by water molecules.

• It changes its chemical composition.