Percent Composition And Empirical Formulas

Question 1

Define percent composition.

Answer 1

This type

Question 2

Define percent composition.

Answer 2

The percentage of elements within a substance.
Example: C3H602- assume you have 1 mole. 74.6g/moles
%C=48.6%C
%H=8.1% H
%0= 43.2%)

Question 3

What is an empirical formula?

Answer 3

The formula of a compound written with the lowest possible whole number ratio of the atoms of the elements in the compound. Example: H202- 2:2 HO:1:1 Hydrogen Peroxide