Lesson Worksheet: Percentage Composition from Molecular Formulas Chemistry • 10th Grade
In this worksheet, we will practice converting between elemental percentage compositions, empirical formulas, and molecular formulas.
Q1:
What is the empirical formula for a substance that is oxygen and manganese by mass?
- A
- B
- C
- D
- E
Q2:
What is the empirical formula for a substance that is oxygen and vanadium by mass?
- A
- B
- C
- D
Q3:
Which of the following compounds has the highest percentage mass of carbon?
- A
- B
- C
- D
- E
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