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 COF2 to moles
grams Th(NO3)4 to moles
grams NbSe3 to moles
grams Ba(MnO4)2 to moles
grams Oxygen to moles
grams Copper(II) Oleate to moles
grams Plutonium(III) Iodide to moles
grams Gadolinium(III) Bromide to moles
grams Diboron Trisulfide to moles
molar mass of U4O9
molar mass of NaIO3
molar mass of TeF6
molar mass of C5H5N
molar mass of Silver
molar mass of Titanium(IV) Oxide
molar mass of Tin(IV) Chloride
molar mass of Barium Permanganate
molar mass of Lead(II) Telluride