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 ZnS to moles
grams BeCl2 to moles
grams BeI2 to moles
grams CH3CH(OH)COOH to moles
grams Dysprosium to moles
grams Titanium(II) Hydride to moles
grams Gadolinium(III) Oxide to moles
grams Mercury(II) Iodide to moles
grams Silver Tetrachloroaluminate to moles
molar mass of C6H12O6
molar mass of Pr2O3
molar mass of TeI
molar mass of TaS
molar mass of Fermium
molar mass of Lead(IV) Bromide
molar mass of Lithium Tantalate
molar mass of Bismuth(III) Oxynitrate
molar mass of Cesium Acetate