This category of measurement units is defined by the "amount of substance" type, which is an SI base quantity.
The SI base unit for amount of substance is the mole.
The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12; its symbol is "mol."
grams Cs2Se to moles
grams ErVO4 to moles
grams PrS to moles
grams InSe to moles
grams Thulium to moles
grams Lead(II) Butanoate to moles
grams Curium(III) Oxide to moles
grams Praseodymium(III) Fluoride to moles
grams Cadmium Phosphide to moles
molar mass of RuBr3
molar mass of BiF5
molar mass of BiTaO4
molar mass of PdTe2
molar mass of Cesium
molar mass of Silver Selenite
molar mass of Chromium(III) Telluride
molar mass of Acetic Anhydride
molar mass of Radium Carbonate