Rank of the compounds in order of increasing numbers (least to most) of atoms : (a) cu5fes4 > (c) pb(c2h3o2)2 > (b) c6h12
In order to calculate the number of atoms in a molecule (covalent) or formula unit (ionic), count the number of subscripts for each element. If there is no subscript, it is taken to be one. In case of parentheses, multiply the number of atoms inside the parentheses by the subscript that is outside the parentheses.
Cu5Fes4 has 5 Cu atom and 4 S atoms, that is total of 9 atoms.
C6H12 has 6 C atoms and 12 H atoms, that is total of 18 atoms.
Lead(II) acetate (Pb(C₂H₃O₂)₂) has 1 Pb atom, 4 C atoms, 6 H atoms, and 4 O atoms, and a total of 15 atoms.
To know more about number of atoms, refer
https://brainly.com/question/23854251
#SPJ4
