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 HO2CCH(NH2)CH2CH(CH3)2 to moles
grams CfI3 to moles
grams UF5 to moles
grams RbIO4 to moles
grams Oxygen to moles
grams Boron Nitride to moles
grams Fluorine Nitrate to moles
grams Palladium(II) Fluoride to moles
grams Vanadium(IV) Oxide to moles
molar mass of (C6H4CH)2
molar mass of LaC2
molar mass of ErS
molar mass of BrO2
molar mass of Mendelevium
molar mass of Mercury(I) Fluoride
molar mass of Potassium Thiocyanate
molar mass of Ruthenium(III) Fluoride
molar mass of Nickel(III) Oxide