3. Chemical Reactions

What is the empirical formula of the compound given the combustion data: 2.08 g CO₂, 1.28 g H₂O, and 4.77 g SO₃?

A molecule's molecular formula and its empirical formula always share the same chemical properties

A hydrocarbon produced 0.0100 mol of carbon and 0.0150 mol of hydrogen during combustion. What is the empirical formula of the hydrocarbon?

What is the empirical formula for a compound that contains 17.34% hydrogen and 82.66% carbon by mass?

What is the empirical formula of $H_2{\left(N{O}_3\right)}_2$?

Which of the following is the empirical formula for a pentose sugar?

Which of the following chemical formulas is already in its empirical formula?

Which of the following compounds has the empirical formula CH2O?

A compound contains 29% Na by mass. If the only other element present is Cl, what is the empirical formula of the compound?

Determine the empirical formula for a compound that is 36.86% N and 63.14% O by mass.

Which pair of substances has the same empirical formula?

Which of the following is an example of an empirical formula?

What is the empirical formula of $C_3{H}_6$?

A compound contains 31.2% calcium, 28.6% sulfur, and 40.2% oxygen by mass. What is the empirical formula of this compound?