CHEM 210 - Recitation #4 NAME: _Andred kim Empirical formula and Molecular formula, Mass, moles and atoms conversion. Show your work and match your result to the KEY answers provided. E-1: A compound has 40.68% carbon. 5.12% hydrogen, and 54.20% oxygen (by mass). Calculate its empirical formula. aתנרS E-2: A certain compound is found to have the percent composition (by mass) of 85.63% C and 14.37% H. The molar mass of the compound was found to be 42.0 g/mol. Calculate the empirical formula and the molecular formula. Y00 0L su nuuomu cobontg couso bae ne to p 00AS el fon .OgH lo 80S.S bns gO0 audmo 3 ege me Hoiw 22 E-3: Determine the molecular formula of a compound that has a molar mass of 183.2 g/mol and an empirical formula of C2H5O2 experi Uf the den 1. 13

CHEM 210 - Recitation #4 NAME: _Andred kim Empirical formula and Molecular formula, Mass, moles and atoms conversion. Show your work and match your result to the KEY answers provided. E-1: A compound has 40.68% carbon. 5.12% hydrogen, and 54.20% oxygen (by mass). Calculate its empirical formula. aתנרS E-2: A certain compound is found to have the percent composition (by mass) of 85.63% C and 14.37% H. The molar mass of the compound was found to be 42.0 g/mol. Calculate the empirical formula and the molecular formula. Y00 0L su nuuomu cobontg couso bae ne to p 00AS el fon .OgH lo 80S.S bns gO0 audmo 3 ege me Hoiw 22 E-3: Determine the molecular formula of a compound that has a molar mass of 183.2 g/mol and an empirical formula of C2H5O2 experi Uf the den 1. 13

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Chapter6: Chemical Composition

Section: Chapter Questions

Problem 11STP

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