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 CH3Br to moles
grams Ba3(CrO4)2 to moles
grams IrI4 to moles
grams AgClO3 to moles
grams Lutetium to moles
grams Cadmium Sulfide to moles
grams Zinc Permanganate to moles
grams Zinc Orthosilicate to moles
grams Potassium Titanyl Phosphate to moles
molar mass of HfO2
molar mass of As2H4
molar mass of CrF4
molar mass of NaH
molar mass of Radon
molar mass of Yttrium(III) Vanadate
molar mass of Uranium(IV) Iodide
molar mass of Arsenic Tribromide
molar mass of Erbium(III) Vanadate