Now that Hermione understands empirical formulas she wants toteach Harry and Ron. What is the empirical formula fordibromoethane: C2H4Br2
A. CH2Br2
B. CH2Br
C. C2H4Br
D. CHBr
E. C2H2Br2
2.Calculate the maass percent composition of carbon inC​​2​H​5Cl.​