An unknown compound has the following percent compositions: 64.80% C, 13.62% H and 21.58% O. a) Determine the empirical formula of the unknown. 11 points b) If the molecular formula of this compound has a molar mass of 71.14 g/mol. What is the molecular formula? 3 points

An unknown compound has the following percent compositions: 64.80% C, 13.62% H and 21.58% O. a) Determine the empirical formula of the unknown. 11 points b) If the molecular formula of this compound has a molar mass of 71.14 g/mol. What is the molecular formula? 3 points

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter3: Composition Of Substances And Solutions

Section: Chapter Questions

Problem 38E: Determine the empirical formulas for compounds with the following percent compositions: 43.6%...

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Question

An unknown compound has the following percent compositions: 64.80% C,
13.62% H and 21.58% O.
a) Determine the empirical formula of the unknown. 11 points
b) If the molecular formula of this compound has a molar mass of 71.14
g/mol. What is the molecular formula? 3 points

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