CHM101 T6 Molarity

Front

What is molarity?

Back

Molarity is a measure of concentration defined as the number of moles of solute per liter of solution (mol/L).

Front

How is molarity calculated?

Back

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

Front

What units are used to express molarity?

Back

Molarity is expressed in moles per liter (mol/L).

Front

If you have 0.045 L of 0.465 M potassium bromide, how many moles of potassium bromide are present?

Back

0.0209 mol

Front

How many liters are required to make 3.5 M hydrochloric acid using 1.1 moles?

Back

0.31 L

Front

What is the molarity of 4 grams of sodium chloride in 3,800 mL of solution? (NaCl = 58.44 g/mol)

Back

0.018 M

Front

What is the relationship between moles, molarity, and volume?

Back

Moles = Molarity × Volume (in liters).

Front

What is the formula for converting grams to moles?

Back

Moles = grams / molar mass.

Front

What is the molar mass of sodium chloride (NaCl)?

Back

The molar mass of NaCl is approximately 58.44 g/mol.

Front

If you have a 1 M solution, how many moles are in 1 liter?

Back

There is 1 mole of solute in 1 liter of a 1 M solution.