Question

Direct formula to calculate no of atoms in a formula unit

Answer 1

A 'formula unit' consists of the actual number of atoms of each element specified in a formula: one formula unit of sodium chloride, NaCl, includes one sodium atom and one chlorine atom; one formula unit of ammonium carbonate, (NH4)2CO3, includes two ammonium ions (NH4+) and one carbonate ion (CO32-), which is equal to ...