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

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Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth