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 PCl5 to moles
grams I2O5 to moles
grams CaWO4 to moles
grams CuO to moles
grams Lutetium to moles
grams Zirconium(IV) Sulfide to moles
grams Tungsten(VI) Oxytetrabromide to moles
grams Lead(II) Phosphate to moles
grams Beryllium Hydride to moles
molar mass of AgCN
molar mass of Pb2O3
molar mass of C16H18N3SCl
molar mass of SrCl2
molar mass of Chlorine
molar mass of Ruthenium(III) Iodide
molar mass of Barium Chloride Dihydrate
molar mass of Terbium(II) Fluoride
molar mass of Carbonic Acid