Chemistry Vocabulary WORD WALL percent composition the percent, BY MASS, of all elements in a compound % by mass= mass of element mass of compound x 100% CARBON 57.838% 79.887% 27.293% 40.002% Percent Composition DIVIDE EACH ELEMENT MASS BY THE TOTAL MOLAR MASS HYDROGEN 3.6405% 20.113% 6.7142% OXYGEN 38.521% **** 72.711% 53.284X Empirical Formula C₂H₂O₂ CH₂ CO₂ CH₂O Molecular Formula C₂H₂O₂ C₂H₂ CO₂ C₂H₁₂O Calculation for the percent composition of C4H30₂: CALCULATE TOTAL MOLAR MASS

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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Chemistry Vocabulary
WORD WALL
percent composition
the percent, BY MASS, of
all elements in a compound
% by mass=
mass of element
mass of compound
* 100%
CARBON
57.838%
79.887%
27.293%
40.002%
Percent Composition
DIVIDE EACH ELEMENT MASS BY THE TOTAL MOLAR MASS
HYDROGEN
3.6405%
20.113%
6.7142%
OXYGEN
38.521%
COLL
72.711%
53.284%
Empirical Formula
C₂H₂O₂
CH₂
CO₂
CH₂0
Molecular Formula
C₂H₂O₁
C₂H
CO₂
C₂H₁₂O
Calculation for the percent composition of C4H₂O₂:
CALCULATE TOTAL MOLAR MASS
Transcribed Image Text:Chemistry Vocabulary WORD WALL percent composition the percent, BY MASS, of all elements in a compound % by mass= mass of element mass of compound * 100% CARBON 57.838% 79.887% 27.293% 40.002% Percent Composition DIVIDE EACH ELEMENT MASS BY THE TOTAL MOLAR MASS HYDROGEN 3.6405% 20.113% 6.7142% OXYGEN 38.521% COLL 72.711% 53.284% Empirical Formula C₂H₂O₂ CH₂ CO₂ CH₂0 Molecular Formula C₂H₂O₁ C₂H CO₂ C₂H₁₂O Calculation for the percent composition of C4H₂O₂: CALCULATE TOTAL MOLAR MASS
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