Finding molar mass starts with units of grams per mole (g/mol). When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula.
By train: Althorp, Princess Diana's burial site, is seven miles from Northampton station which has regular train service from London Euston. Bus and taxi services are available from Northampton station.
Timeline: How Diana died. Key events leading up to and following the death of Princess Diana in a car crash in Paris. 1300: Dodi Al Fayed - son of Harrods boss Mohamed Al Fayed - and Princess Diana board a private jet at Olbia airport, Sardinia, to take them to Paris, where they plan to stay one night.