C:H:O:: 2.49:3.99:1 is the ratio of C, H, and O.
A mole is defined as 6.02214076 × [tex]10^{23}[/tex] of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.
Given data:
4.9875 mol C
7.9802 mol H
2.00 mol O
Divide each by the smallest number of moles we get:
C:H:O :: 2.49:3.99:1
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