Empirical Formula

Cr₂O₃

An oxide of chromium is found to have the following % composition: 68.4% Cr, and 31.6% O. Determine this compound's empirical formula

CrO₃

An oxide of chromium is found to have the following % composition: 52% Cr, and 48% O. Determine the compound's empirical formula

C₆H₆

The empirical formula of a compound is CH. The molar mass is 78 g/mol. What is the molecular formula?

C₁₂H₁₂

The empirical formula of a compound is CH. The molar mass is 156 g/mol. What is the molecular formula?

CH₂O

What is the empirical formula for sucrose, C₆H₁₂O₆

CH₃O

What is the empirical formula for glyceraldehyde, C₃H₉O₃?

11.1%

What is the percent of Hydrogen in H₂O?

89.9%

What is the percent of Oxygen in H₂O?

C₄H₄

What is the molecular formula of a compound with a molar mass of 52 that is 92% Carbon and 8% Hydrogen?

C₈H₈

What is the molecular formula of a compound with a molar mass of 104 that is 92% Carbon and 8% Hydrogen?

43%

What is the percent of Carbon in Carbon Monoxide?

57%

What is the percent of Oxygen in Carbon Monoxide?