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
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Worksheet pratice E-1 E-2 and E-3
![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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fee22cf2f-b974-4b00-a3cf-09b388e7d65d%2F9a1dc48a-c191-420b-bb80-d3a52a65213c%2Fefzipjq.jpeg&w=3840&q=75)
Transcribed Image Text: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
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