Dichlorine heptoxide (Cl₂O₇) is a highly reactive compound used in some organic synthesis reactions. Calculate the percent composition of dichlorine heptoxide.
a) Cl: 77.78%, O: 22.22%
b) Cl: 70.59%, O: 29.41%
c) Cl: 80.00%, O: 20.00%
d) Cl: 75.00%, O: 25.00%
