Question: what is the equation for calculating volume in dm3?
Answer: (mol dm-3) = moles (mol) Volume (dm3) Conc. (g dm-3) = mass (g) Volume (dm3) Page 2 Calculations in Chemistry MOLES A measure of the amount of substance. Number of = mass (m) moles (n) Molar mass (Mr) Mass is measured in grams. Molar mass is calculated by adding the atomic masses (from the Periodic Table) together.