# Chemistry

posted by .

A sample of Freon was found to contain 3.21 g of C, 19.0 g of Cl, and 10.2 g F. What is the empirical formula of this compound?

C0.0352Cl0.0705F0.0705

C0.5ClF

C2Cl4F4

CCl2F2

CClF

• Chemistry -

mols C = 3.21/atomic mass C = ?
moles Cl = 19.0/atomic mass Cl = ?
moles F = 10.2/atomic mass F = ?
Now find the ratio of the elements to each other with the smallest number being 1.000. The easy way to do that is to divide the smallest number by itself which automatically makes it 1.000, then divide the other numbers by the same small number, then round to whole number. That will give you the empirical formula.

## Similar Questions

1. ### Chemistry

A sample of a compound of mercury and bromide with a mass of .389 was found to contain .111g bromine. Its molar mass was found to be 561 g mol-1. What are its empirical and molecular formula. Please detail each step in the process. …
2. ### AP Chemistry

An organic compound was synthesized and found to contain only C, H, N, O, and Cl. It was observed that when .150g sample of the compound was burned, it produced .138g of CO2 and .0566g of H2O. All the Nitrogen in a different .200g …
3. ### Chemistry

A compound was found to contain copper and chlorine. The mass of the compound was 351 mg. The amount of copper in the sample was found to be 225 mg. What is the empirical formula for the compound?
4. ### Chemistry

I would be grateful if someone could please review these and tell me if I am correct. Thanks! 1.What is the empirical formula for a compound whose molecular formula is C2Cl6?
5. ### chemistry

A .4791 g sample was analyzed and found to contain the following masses of elements: carbon, .1929 g hydrogen, .01079 g oxygen, .08566 g chlorine .1898 g Determine the empirical formula of the new compound.
6. ### Chemistry

A 185.325 g sample of a compound of carbon, nitrgoen and hydrogen is burned completely. Calculate the empirical formula if 225.0 g of water and 230.0 g of NO2 is formed. In another experiment the sample was found to have a density …
7. ### Chemistry

a compound was analyzed and found to contain C,H,N,O, and Cl. When o.150g sample of this compound was burned, it produced 0.138 g of CO2 and 0.0566 g of H2O. All of the Nitrogen in another sample of mass 0.200 g was converted to 0.0238 …
8. ### Chemistry

Freon-12 is formed as follows: 3 CCl4 + 2 SbF3 -> 3 CCl2F2 + 2 SbCl3 150 g tetra chloromethane is combined with 100 g antimony (III) fluoride to give Freon-12 (CCl2F2). Identify the limiting and excess reagents, and calculate how …
9. ### Chemistry

A compound is found to contain 50.05 % sulfur and 49.95 % oxygen by mass. What is the simplest (empirical) formula for this compound?
10. ### chemistry

A 8.408 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 12.53 grams of CO2 and 3.849 grams of H2O are produced. In a separate experiment, the molar mass is found to be 118.1 g/mol. Determine …

More Similar Questions