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 OsCl4 to moles
grams BaBr2.2H2O to moles
grams B6O to moles
grams YVO4 to moles
grams Silicon to moles
grams Sodium Hydrosulfide to moles
grams Niobium Pentachloride to moles
grams Potassium Superoxide to moles
grams Copper(II) Fluoride to moles
molar mass of PtBr3
molar mass of UH3
molar mass of ZrI3
molar mass of ErS
molar mass of Terbium
molar mass of Magnesium Carbonate
molar mass of Neptunium(IV) Fluoride
molar mass of Hypophosphorous Acid
molar mass of Tin(II) Sulfide