When 2.011 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 6.091 grams of CO2 and 3.117 grams of H2O were produced. In a separate experiment, the molecular weight of the compound was found to be 58.12 amu. Determine the empirical formula and the molecular formula of the hydrocarbon.

The pressure in a fluid is affected by which characteristics of that fluid

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

Glucose (c6h12o6) is an important biological molecule. (round the answer to nearest hundredth.) what is the percent by mass of carbon in glucose?