Empirical FormulaPractice Problems: Answer on a Separate Sheet of Paper. Show All of Your Work!!!

1) An unknown compound was found to have a percent composition as follows: 47.0 % potassium, 14.5 % carbon, and 38.5 % oxygen. What is its empirical formula?

3) What is the empirical formula for a weak organic base containing 48.6 % C, 13.6 % H, and 37.8 % N?

4) What is the empirical formula of a compound that is 94.1% O and 5.9% H?

5) What is the empirical formula of a compound that is 67.6g Hg, 10.8 g S, and 21.6g O?

6) What is the empirical formula of a compound that is 17.6% Na, 39.7% Cr, and 42.7% O?

Empirical FormulaPractice Problems: Answer on a Separate Sheet of Paper. Show All of Your Work!!!

1) An unknown compound was found to have a percent composition as follows: 47.0 % potassium, 14.5 % carbon, and 38.5 % oxygen. What is its empirical formula?

3) What is the empirical formula for a weak organic base containing 48.6 % C, 13.6 % H, and 37.8 % N?

4) What is the empirical formula of a compound that is 94.1% O and 5.9% H?

5) What is the empirical formula of a compound that is 67.6g Hg, 10.8 g S, and 21.6g O?

6) What is the empirical formula of a compound that is 17.6% Na, 39.7% Cr, and 42.7% O?

Empirical FormulaPractice Problems: Answer on a Separate Sheet of Paper. Show All of Your Work!!!

1) An unknown compound was found to have a percent composition as follows: 47.0 % potassium, 14.5 % carbon, and 38.5 % oxygen. What is its empirical formula?

3) What is the empirical formula for a weak organic base containing 48.6 % C, 13.6 % H, and 37.8 % N?

4) What is the empirical formula of a compound that is 94.1% O and 5.9% H?

5) What is the empirical formula of a compound that is 67.6g Hg, 10.8 g S, and 21.6g O?

6) What is the empirical formula of a compound that is 17.6% Na, 39.7% Cr, and 42.7% O?