I’m trying to find the mass of oxide of copper present, mass of copper present, mass of oxygen present in original sample, mass percent of copper, mass percent of oxygen, the empirical formula of oxide of copper, and the name of the compound This is my experiment and was confused on how to start? vParagraphUnknown NumberBalance Used17MMARY TABLEple provided to fill in the measured values obtained during the lab.Table 1- Data Summary Table3Mass of empty test tube (g)Mass of test tube with sample (g)Mass of test tube after 1st heating (g)Mass of test tube after 2nd heating (g)TIONS AND CALCULATIONSbility: Good to go1 Normal 1 No Spac... Heading 1AaBDC( AaBbCcL AaBbHeading 2Headi(99+BDELLStylesArmaan Singh Section #: 4ch calculation, you will be required to show detailed work steps. Make sure the number of eacn is clear according to what was in the introductions and procedure document. Meaning, makat your use of the template doesn't mess up the numbering!ab questions41.558 (g)42.666 (g)42.591 (g)42.511 (g)W53°F

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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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I’m trying to find the mass of oxide of copper present, mass of copper present, mass of oxygen present in original sample, mass percent of copper, mass percent of oxygen, the empirical formula of oxide of copper, and the name of the compound This is my experiment and was confused on how to start?

v
Paragraph
Unknown Number
Balance Used
17
MMARY TABLE
ple provided to fill in the measured values obtained during the lab.
Table 1- Data Summary Table
3
Mass of empty test tube (g)
Mass of test tube with sample (g)
Mass of test tube after 1st heating (g)
Mass of test tube after 2nd heating (g)
TIONS AND CALCULATIONS
bility: Good to go
1 Normal 1 No Spac... Heading 1
AaBDC( AaBbCcL AaBb
Heading 2
Headi
(99+
B
DELL
Styles
Armaan Singh Section #: 4
ch calculation, you will be required to show detailed work steps. Make sure the number of eac
n is clear according to what was in the introductions and procedure document. Meaning, mak
at your use of the template doesn't mess up the numbering!
ab questions
41.558 (g)
42.666 (g)
42.591 (g)
42.511 (g)
W
53°F

Expert Solution

Step 1

Mass of empty test tube is 41.558 g

Mass of sample copper oxide = [Mass of test tube with sample - mass of test tube] = 42.666 g - 41.558 g =1.108 g

Mass of Copper sample after 2nd heating = [Mass of test tube with sample after second heating - mass of test tube = 42.511 g - 41.558 g = 0.953 g

Mass of oxygen = mass of copper oxide - mass of copper after 2nd heating = 1.108 g - 0.953 g = 0.155 g

Mass percent of copper = (Mass of copper/Mass of copper oxide) x 100 = (0.953/1.108) x 100 = 86.01%

Mass percent of oxygen = (mass of oxygen/mass of copper oxide) x 100 = (0.155 /1.108) x 100 = 13.99%

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