Molarity and Molality and Mixtures Exam

Front

Type of mixture that has the SAME COMPOSITION in every part.

Back

Homogenous

Front

Molarity is measured in _____

Back

mols per L.

Front

What is a precipitate?

Back

An insoluble product formed during a chemical reaction.

Front

A mixture made of parts that separate upon standing is what type of mixture?

Back

Suspension.

Front

Which sweet tea would you expect to taste the sweetest? 1M, 3M, 3.1M, 2.5M

Back

3.1M.

Front

What is molality?

Back

A measure of the concentration of a solute in a solution, expressed as moles of solute per kilogram of solvent.

Front

Define a heterogeneous mixture.

Back

A mixture that has a non-uniform composition, where the individual components can be seen and separated.

Front

What is the formula for calculating molarity?

Back

Molarity (M) = moles of solute / liters of solution.

Front

What is the difference between a solution and a colloid?

Back

A solution is a homogeneous mixture at the molecular level, while a colloid has larger particles that do not settle out.

Front

What does it mean for a solution to be saturated?

Back

A solution that has dissolved the maximum amount of solute at a given temperature.