Mass Amount Using Percent Composition Example for C4H30₂:USE DIMENSIONAL ANALYSIS WITH THE GIVENWhat mass of each element is present in 50.0 g of C₂H₂O₂?50.0 g C,H,0₂ x 3.6405 grams hydrogen100 grams C₂H₂O₂1.8250.0 g C,H,Ox 57.838 grams carbon100 grams C,H,0₂= 2891.9 = 28.9 grams carbon10050.0 g C,H,Ox 38.521 grams oxygen100 grams C₂H₂O₂grams hydrogen= 182.02510028.9 grams carbon 1.82 grams hydrogen + 19.3 grams oxygen = 50.02= 50.0 grams total (correct sig figs)- 1926.05 - 19.3 grams oxygen100 Percent Composition Example for C4H₂O₂:CALCULATE TOTAL NOLAR MASS4xC-4x12.011 45.0443xH-3x 1.008- 3.0242x0-2x 15.999 - 31.99883.066 g/molDIVIDE EACH ELEMENT MASS BY THE TOTAL MOLAR MASS(48.044 g carbon/83.066 g C,H,O,)* 100-57.838% carbon(3.024 g hydrogen / 83.066 g C,H,O,)* 100-3.6405% hydrogen(31.995 g oxygen/ 83.066 g C,H,0₂)*100-38.521% oxygenWhat is the percent composition of silver nitrate, AgNO,?IXAg=1x107.9=107.9IxN=1x14.007=14.0073x15.999=47.997107.9+14.007+47.9=169.9g/mol(107.9 g Ag/169.9 g AgNO3)*100= 63.50 silver(14.007 g N/169.9 g AgNO3)*100= 8.2455%Nitrogen(47.997 g/169.9 g AgNO3)*100=28.3 %OxygenMass Amount Using Percent Composition Example for C₂H₂O₂:USE DIMENSIONAL ANALYSIS WITH THE GIVENWhat mustach lernt be present in 30.0 5 of GM/0,75.CC/20116 Là một h2001.98 curto10001001976.25 165215 grains carbor - 1.02 garibylow:: 133 gari zogen - 5012-115 gravi toal izar wat ng PenDetermine the mass of each element present ina 125.0-gram sample of this chemical.

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Determine the mass of each element present in a 125.0-gram sample of this chemical.

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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Concept explainers

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.

Question

100%

Mass Amount Using Percent Composition Example for C4H30₂:
USE DIMENSIONAL ANALYSIS WITH THE GIVEN
What mass of each element is present in 50.0 g of C₂H₂O₂?
50.0 g C,H,0₂ x 3.6405 grams hydrogen
100 grams C₂H₂O₂
1.82
50.0 g C,H,Ox 57.838 grams carbon
100 grams C,H,0₂
= 2891.9 = 28.9 grams carbon
100
50.0 g C,H,Ox 38.521 grams oxygen
100 grams C₂H₂O₂
grams hydrogen
= 182.025
100
28.9 grams carbon 1.82 grams hydrogen + 19.3 grams oxygen = 50.02= 50.0 grams total (correct sig figs)
- 1926.05 - 19.3 grams oxygen
100

Percent Composition Example for C4H₂O₂:
CALCULATE TOTAL NOLAR MASS
4xC-4x12.011 45.044
3xH-3x 1.008- 3.024
2x0-2x 15.999 - 31.998
83.066 g/mol
DIVIDE EACH ELEMENT MASS BY THE TOTAL MOLAR MASS
(48.044 g carbon/83.066 g C,H,O,)* 100-57.838% carbon
(3.024 g hydrogen / 83.066 g C,H,O,)* 100-3.6405% hydrogen
(31.995 g oxygen/ 83.066 g C,H,0₂)*100-38.521% oxygen
What is the percent composition of silver nitrate, AgNO,?
IXAg=1x107.9=107.9
IxN=1x14.007=14.007
3x15.999=47.997
107.9+14.007+47.9=169.9
g/mol
(107.9 g Ag/169.9 g AgNO3)*100= 63.50 silver
(14.007 g N/169.9 g AgNO3)*100= 8.2455%
Nitrogen
(47.997 g/169.9 g AgNO3)*100=28.3 %
Oxygen
Mass Amount Using Percent Composition Example for C₂H₂O₂:
USE DIMENSIONAL ANALYSIS WITH THE GIVEN
What mustach lernt be present in 30.0 5 of GM/0,7
5.CC/201
16 Là một h
2001.98 curto
1000
100
1976.25 165
215 grains carbor - 1.02 garibylow:: 133 gari zogen - 5012-115 gravi toal izar wat ng Pen
Determine the mass of each element present in
a 125.0-gram sample of this chemical.

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