Acompound that contains only carbon, hydrogen, and oxygen is 48.64% c and 8.16% h by mass. what is the empirical for- mula of this substance?

Mass % of carbon = 48.64 % (given)

Mass % of hydrogen = 8.16 % (given)

So, the mass percent of oxygen = %

Moles of each element is determined as:

Number of moles =

Dividing with the smallest mole value to calculate the mole ratio:

So, the formula is .

Converting the formula into whole number by multiplying with 2.

Hence, the empirical formula is

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