What would be the molecule formula for this molecule ? I don’t know if they mean to use that image to be able to answer this question so I just attached it ! ASAP

What is the empirical formula for c4h8o2

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.