A sample of an unknown compound has a percent composition of 52. 14% carbon, 13. 13% hydrogen, and 34. 73% oxygen. Which compounds could the sample be? CH3CH3CH2O2 C2H5OH C4H10O2 C4H12O2 CH3CH3CH2OOH.

Respuesta :

The percent composition of elements in the compound results in the molecular formula. The formula for given compound is [tex]\rm C_2H_5OH[/tex].

What is a molecular formula?

A chemical formula is the representation of the ratio of the elements in a mole of sample or compound.

The given compound has 52.14% carbon, 13.13 % hydrogen, and 34. 73% oxygen.

The stoichiometric ratio of the following compounds can be given for moles as:

[tex]\rm C:H:O=\dfrac{=52.14}{12.0107} :\dfrac{13.13}{1.00784} :\dfrac{34. 73}{15.999 }\\\\ C:H:O=4.34:13.02:2.17\\\\C:H:O=2:6:1[/tex]

The compound has the molecular formula of [tex]\rm C_2H_6O[/tex]. The compound can be written in simplified form as, [tex]\rm C_2H_5OH[/tex]. Therefore, the correct option is B.

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