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."
atom
centimole
decimole
kilomole
micromole
millimole
mole
molecule
nanomole
picomole
grams Zn2SiO4 to moles
grams Rh(NO3)3 to moles
grams NaC18H36O2 to moles
grams CfF4 to moles
grams Iridium to moles
grams Alanine to moles
grams Nickel(II) Nitrate to moles
grams Palladium(IV) Sulfide to moles
grams Hydrogen Telluride to moles
molar mass of PrI2
molar mass of RhCl3
molar mass of CrF6
molar mass of Ce2(C2O4)3
molar mass of Calcium
molar mass of Bismuth(III) Iodide
molar mass of Silver Fluoride
molar mass of Strontium Iodide
molar mass of Nickel(II) Chloride Hexahydride