A 7.39 g sample of a compound containing C, H, and O is analyzed using combustion analysis. In a separate experiment, the molecular mass of the compound is found to be 300.44 g. The combustion analysis produces 21.63 g CO2 and 6.2 g H2O.
A.How many grams of carbon were in the original sample?
a)2.45g
b)11.8g
c)5.9g
B.How many grams of hydrogen were in the original sample?
a) .69g
b).75g
c).82g
C.How many grams of oxygen were in the sample?
a).6g
b).7g
c).8g
d).4g
D.How many moles of carbon are in one mole of the compound?
E.What is the empirical formula of the compound?
F.What is the molecular formula of the compound?
find the moles and then based on the mole ratio
calculate the mass and then calculate the empirical and molecular
formula is as follows
A 7.39 g sample of a compound containing C, H, and O is analyzed using combustion...
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