How to do chemistry calculations

Calculating the relative atomic mass of an isotope

Calculating relative formula mass

Calculating % by mass of a substance

Converting moles to mass

Calculating empirical formula

Calculating empirical and molecular formula

Calculating concentration in gdm-3

Calculating the number of atoms

Converting the number of particles to moles

Calculating mass of particles

Calculating the number of particles in a mass

Converting units for concentration moldm-3 to gdm-3

Calculating atom economy

Calculating the volume of gas from a mass