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 ErCl3.6H2O to moles
grams LaH3 to moles
grams HgSe to moles
grams CeBr3 to moles
grams Boron to moles
grams Samarium(II) Bromide to moles
grams Zirconium(IV) Phosphide to moles
grams Barium Hexafluorosilicate to moles
grams Praseodymium(II) Telluride to moles
molar mass of TiCl4
molar mass of AgCl
molar mass of HI
molar mass of GaCl3
molar mass of Astatine
molar mass of Cadmium Titanate
molar mass of Titanium(III) Chloride
molar mass of Cyclopentadiene
molar mass of Cadmium Cyanide