**An example of a molarity calculation using the molarity calculator What is the mass of compound required to make a 10 mM stock solution in 10 ml of water given that the molecular weight of the compound is 197.13 g/mol? **

1. Enter 326.83 into the Molecular Weight (MW) box

2. Enter 10 into the Concentration box and select the correct unit (millimolar)

3. Enter 10 into the Volume box and select the correct unit (milliliter)

4. Press calculate

5. The answer of 32.683 mg appears in the Mass box