7. The percentage composition of acetic acid is found to be 39.9% C, 6.7% H, and 53.4% O. Determine the empirical and molecular formula of acetic acid if the molar mass is 60.0g/mol.
7. The percentage composition of acetic acid is found to be 39.9% C, 6.7% H, and 53.4% O. Determine the empirical and molecular formula of acetic acid if the molar mass is 60.0g/mol.
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter10: Solutions
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Directions: Analyze each item and identify the molecular formula of the compound.
7. The percentage composition of acetic acid is found to be 39.9% C, 6.7% H, and
53.4% O. Determine the empirical and molecular formula of acetic acid if the molar
mass is 60.0g/mol.
8. Determine the molecular formula of the compound with an empirical formula of CH
and a formula mass of 78g/mol.
9. Aniline has an empirical formula of C6H7N, what is the molecular formula if its molar
is 93g/mol?
10. What’s the empirical formula of a molecule containing 65.5% carbon, 5.5%
hydrogen, and 29.0% oxygen? If the molar mass of the compound is 110
grams/mole, what’s the molecular formula?
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