e kajajdjae no squo viboes we eso doadks Answer:ipao han meExplanation:no
The formula C2H4 can be classified as both a molecular formula
and an empirical formula. The answer is number 4.
A)3 bcuz paper filters are used to separate solids from liquids
b) 2 bcuz it is a process of separating a pure liquid from a mixture of other liquids.And it works when it has different boiling point