Calculating Molarity vs 3

Front

What is molarity?

Back

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

Front

How do you calculate molarity?

Back

Molarity = moles of solute / liters of solution.

Front

What is the molar mass of NaCl?

Back

The molar mass of NaCl (sodium chloride) is approximately 58.45 g/mol.

Front

Calculate the molarity of 4 g of NaCl in 3,800 mL of solution.

Back

0.018 M.

Front

What is the molar mass of PbNO3?

Back

The molar mass of PbNO3 (lead(II) nitrate) is approximately 331.2 g/mol.

Front

Calculate the molarity of 1.565 moles of PbNO3 in 500 mL.

Back

3.13 M.

Front

What is the molar mass of NaOH?

Back

The molar mass of NaOH (sodium hydroxide) is approximately 40.00 g/mol.

Front

Calculate the molarity of 60.0 g of NaOH in 0.5 L of solution.

Back

3.0 M.

Front

What is the molar mass of sucrose (C12H22O11)?

Back

The molar mass of sucrose is approximately 342 g/mol.

Front

Calculate the molarity of 186.55 g of sucrose in 250 mL of water.

Back

2.18 M.