Ask a New Question

A compound that contains only Fe and O is 69.9% Fe by mass. What is the empirical formula of theis compound?

Attempt: 69.9g(1/56): 1
30.1g(1/16): 2

I got FeO2

but the answers say that it is Fe2O3

1 answer

I got it since O comes out to be 1.5 * 2 = 3

Ask a New Question or answer this question.

Similar Questions

I am really having trouble answering this question, can someone help?A binary compound between an unknown element E and hydrogen
1. 1 answer
A compound made up of C, H, and Cl contains 55,0 percent Cl by mass. If 9,00 g of the compound contain 4,19 x 10^23 H atoms,
1. 3 answers
The elements X and Y form a compound that is 40% X and 60%Y by mass. The atomic mass of X is twice that of Y. What is the
1. 1 answer
1) A compound has the following percentages by mass: barium, 58.84%; sulfur, 13.74%; oxygen, 27.43%. Determine the empirical
1. 2 answers

more similar questions