saavvyxbuu766 saavvyxbuu766 29-02-2024 Chemistry contestada Determine the empirical formula for the following compound by using its percent composition by mass: 40.0% carbon, 6.71% hydrogen, 53.3% oxygen. a) CH₂O b) C₂H₄O c) CH₃O d) C₄H₈O₂