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 Fe(H2PO2)3 to moles
grams Ba(HS)2 to moles
grams I2O5 to moles
grams HNO2 to moles
grams Dubnium to moles
grams Gadolinium(III) Bromide to moles
grams Cadmium Oxalate to moles
grams Titanium(III, IV) Oxide to moles
grams Indium(II) Telluride to moles
molar mass of MoO3
molar mass of S2O
molar mass of AlCl3
molar mass of AgN3
molar mass of Californium
molar mass of Zirconium(III) Iodide
molar mass of Zinc Permanganate
molar mass of Gadolinium(III) Chloride Hexahydrate
molar mass of Titanium(IV) Fluoride