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 KBrO3 to moles
grams Ni(NO3)2 to moles
grams C6H5OH to moles
grams Te(OH)6 to moles
grams Unununium to moles
grams Thallium(I) Perchlorate to moles
grams Gold(I) Sulfide to moles
grams Ytterbium(III) Fluoride to moles
grams Indium(III) Hydroxide to moles
molar mass of HCl
molar mass of Ta2H
molar mass of PrN
molar mass of CoF4
molar mass of Phosphorus
molar mass of Palladium(II) Telluride
molar mass of Strontium Phosphide
molar mass of Bismuth(III) Oxychloride
molar mass of Lutetium Fluoride