Molarity Review

Vocab

100

A solution that contains a low concentration of solute.

What is a dilute solution

200

A solution that contains a high concentration of solute.

What is a Concentrated Solution

300

The ratio of the amount of solute that is dissolved in a  solvent

What is Concentration

400

The number of moles of a solute dissolved per liter of solution

What is Molarity

500

The Molarity equation

What is Molarity = moles of solute / liters of solution

Equations

100

A Saline solution contains .90 g NaCl in 100 mL of Solution, what is the molarity of the solution?

0.15 M NaCl

200

How many moles of solvent are present in 1.5 L of 0.24 M Na₂SO₄

0.36 mols Na₂SO₄

300

How many milliliters of a solution of 2.0M MgSO₄ would you need to prepare 100 mL of .400 M MgSO₄

20.0mL

400

How many moles of solute are in 250 mL of 2.0M CaCl₂

.50 mol

500

How many moles of ammonium nitrate are in 335 mL of .425 M NH₄NO₃

.142 mol

Miscallaneous

100

A solution with the maximum amount of solute dissolved

What is a saturated solution

200

The dilution equation

M₁V_{1 =} M₂V₂

300

the smaller amount of substance that dissolves in a solution

What is Solute

400

The solvent in an aqueous solution

What is water

500

Besides Molarity, 2 other ways of describing concentration

What is % volume, or % mass

Equations cont.

100

A solution has a volume of 250 mL and contains .70 mol NaCL. What is its molarity

2.8M

200

A solution has a volume of 2 L and contains 36 g of glucose. if the molar mass of glucose is 180g/mol, what is the molarity of the solution.

0.10M

300

How many mililiters of a solution of 4.00M KI would you need to prepare 250 ml of 0.760 M KI

47.5ml

400

What is the molarity of a 5 liter solution that was made with 10 moles of KBr

2 M KBr

500

What would be the volume of a 2 M solution made with 6 moles of LiF

3 L of Solution