BRAINCAKEExam Style Question - 1
Question: A hydrocarbon contains 85.7% carbon and 14.3% hydrogen by mass. Its Mr is 56.0. Find its empirical and molecular formulae.
Step 1: divide by Ar. C: 85.7 / 12.0 = 7.14. H: 14.3 / 1.0 = 14.3.
Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz
BrainCake is free. Make an account in seconds and pick up where this page stops.
More in Organic Chemistry
- Functional Groups
- Homologous Series
- Structural Isomerism
- Stereoisomerism
- Exam Style Question - 2
- Exam Style Question - 3
- Exam Style Question - 4
- Exam Style Question - 5
All 17 lessons in Organic Chemistry · All AQA AS-level Chemistry topics