Silicon and hydrogen form many compounds, SixHy, to find one you take a 6.22 g sample and burn it in oxygen. The results produced 12.02 g of SiO2 and 5.40 g of H2O. If the experimental molecular mass is 62.2 g/mol, what is the empirical and molecular formula of this compound? SixHy + O2 SiO2 + H20