The answer will appear below Always use the upper case for the first character in the element name and the lower case for the second character. Write symbols for every element in the compound. Write down the oxidation numbers for each type of atom on both sides of the equation.
The result should be a whole number or very close to a whole number.
Add coefficients the numbers in front of the formulas so the number of atoms of each. Look at the subscripts next to. And note that to solve for the empirical formula the simplest whole number ratio defining constituent atoms in a species we need first to MEASURE C H N by some means. C 3 H 8 O 2 -- H 2 O CO 2 This reaction occurs when propane C 3 H 8 is.