Answer:
no of formula unit = [tex]0.03\times 6.023\times 10^{23}=1.8\times 10^{22}[/tex]
Explanation:
atomic mass of CaCl2 = 40 + 2×35.5 = 111 g.
no of formula unit = no of moles × Avagadro number
=[tex]0.03\times 6.023\times 10^{23}=1.8\times 10^{22}[/tex]
