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 GaSe to moles
grams LiOH to moles
grams TcCl6 to moles
grams HgTe to moles
grams Iodine to moles
grams Iron(III) Arsenic to moles
grams Rhenium(VII) Oxide to moles
grams Sodium Bisulfite to moles
grams Sulfur Dioxide to moles
molar mass of TiB2
molar mass of IrI4
molar mass of CuCO3
molar mass of ReCl6
molar mass of Ununhexium
molar mass of Osmium(IV) Chloride
molar mass of Europium(II) Vanadate
molar mass of Lead(II) Oleate
molar mass of Uranium(IV) Bromide