A 0.464g sample of compound containing the elements carbon hydrogen oxygen and s

A 0.464g sample of compound containing the elements
carbon hydrogen oxygen and sulphur was burned completely yielding 0.969 g
CO2 and 0.198 g H2O. In a separate experiment all the
sulphur in another 0.464 g sample was converted to 0.859 g of BaSO4.
What is the empirical formula of the unknown compound?2)Ethyl alcohol C2H5OH
is a fermentation produce of sugars in the presence of enzymes. How much
glucose C6H12O6 would you need to start with
to prepare 4.6 x 104kg of ethyl alcohol if the yield in the
reaction is 64.5%? The equation for this reaction is C6H12O6
+ 3O2->4CO2 + C2H5OH
+ 3H2O3)A solution containing
40.7g of calcium nitrate in a volume of 0.500 L was prepared. a.
Calculate the number of moles of calcium nitrate in this solution. b.
Calculate the number of molecules of calcium nitrate in this solution. c.
Calculate the total number of ions from the calcium nitrate in this
solution. d.
What is the molarity of this solution?