A pseudoformula is a simplified representation of a chemical formula that does not provide specific structural information about the compound. It is often used as a shorthand notation to convey the elemental composition of a compound without detailing the arrangement of atoms. Pseudoformulas are commonly used in chemical literature and discussions for brevity and clarity.
C3.5h8
The nearest, almost round figures are found when you double the pseudo- (experimentally found ratio-) numbers:C 3.407*2=6.814, best rounded: 7H 4.53*2=9.106, best rounded: 9O 3.406*2=6.812, best rounded: 7So the most likely outcome for this compound formula will be C7H9O7. However this is not according to ascorbic acid's ratio 3:4:3 (C6H8O6) and even further away from the dehydro-ascorbic acid ratio 1:1:1: (C6H6O6)