Question

What is the ratio of carbon and oxygen by weight in CO2

Answer 1

Lipids are mainly long carbon chains with hydrogen on the side chains : thus the majority of the molecule has a ratio of 2 to 1 hydrogen to carbon. In the body we use fatty acids which will have only a single or a double oxygen atom at one end where the fats connect to each other . 3:8 ratio of carbon and oxygen by weight in CO2