Roll up your sleeves and get counting: Tallying the number of moles on your arm can help predict your chances of melanoma, researchers from King’s College London discovered. In the study, people ...

Mole calculations To calculate the mass of a higher number of moles, or even calculate the number of moles in a certain mass, a formula triangle can be used.

Balanced equations are used to allow chemists to calculate how much product they will produce from their reactants. The co-efficients in balanced equations represent the number of moles reacting ...