Exam #1 Review Chemistry Percent Composition

• 0.6 mol

• 1 mol

• 0.594 mol

• 0.600 mol

• 0.594 molecules

• 5.35 molecules

• 1.8 mol

• 1.78 mol

• 2 mol

• 0.594 mol

• 2.56 mol

• 3.56 mol

• 0.594 mol

• 0.600 mol

• 82.2% N

• 17.8% N

• 25% N

• 82.2% H

• 17.8% H

• 75% H

Determine the empirical formula for the following composition: 40% Carbon, 6.7% Hydrogen, 53.3% Oxygen

• CHO

Determine the emperical formula given the following compositions: 28.03% Mg, 21.60% Si, 1.16% H, 49.21% O

• MgHSiO