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 RuBr2 to moles
grams Li2Se to moles
grams RuSe2 to moles
grams Ba(ClO3)2 to moles
grams Californium to moles
grams Curium(III) Fluoride to moles
grams Disulfur Decafluoride to moles
grams Potassium Borohydride to moles
grams Zinc Stannate to moles
molar mass of FeF3
molar mass of (NH4)2CO3
molar mass of Fe3(PO4)2
molar mass of BaN6
molar mass of Manganese
molar mass of Europium(III) Chloride
molar mass of Osmium(IV) Fluoride
molar mass of Bismuth(III) Iodide
molar mass of Iron(II) Hydroxide