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 PtCl3 to moles
grams LiI.3H2O to moles
grams TbO2 to moles
grams FeCO3 to moles
grams Fluorine to moles
grams Titanium(III, IV) Oxide to moles
grams Boron Decahydride to moles
grams Uric Acid to moles
grams Mercury(II) Acetate to moles
molar mass of C6H2(NO2)3CH3
molar mass of YbCl2
molar mass of CfI3
molar mass of Fe3O4
molar mass of Unununium
molar mass of Potassium Bromate
molar mass of Pentane
molar mass of Calcium Hypophosphite
molar mass of Calcium Selenide