Determine the mass of chlorine in the original sample as the difference in mass between the anhydrous sample (after drying in the crucible) and the mass of copper. From the mass of chlorine, determine the moles of Cl. 3 Mass of clean, dry crucible + lid (g): Mass of crucible + lid + copper chloride (g): Mass of crucible + lid + anhydrous copper chloride (g): Record any observations, particularly color change. The copper chloride took 3 minutes and 10 second to turn from a bright blue green color to a burnt brown color. Once the copper chloride turned brown we heated it for 2 additional minutes to make sure everything was properly heated and all the water was removed from the copper chloride. Part III (B) Mass of copper + watch glass (g): Weigh 1 Weigh 2 Weigh 3 29.667 30.751 30.519 46.555 Mass of copper solid (g) 4.657 4.647 4.647

Determine the mass of chlorine in the original sample as the difference in mass between the anhydrous sample (after drying in the crucible) and the mass of copper. From the mass of chlorine, determine the moles of Cl. 3 Mass of clean, dry crucible + lid (g): Mass of crucible + lid + copper chloride (g): Mass of crucible + lid + anhydrous copper chloride (g): Record any observations, particularly color change. The copper chloride took 3 minutes and 10 second to turn from a bright blue green color to a burnt brown color. Once the copper chloride turned brown we heated it for 2 additional minutes to make sure everything was properly heated and all the water was removed from the copper chloride. Part III (B) Mass of copper + watch glass (g): Weigh 1 Weigh 2 Weigh 3 29.667 30.751 30.519 46.555 Mass of copper solid (g) 4.657 4.647 4.647

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

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

Determine the mass of chlorine in the
original sample as the difference in
mass between the anhydrous sample
(after drying in the crucible) and the
mass of copper. From the mass of
chlorine, determine the moles of Cl.
J
Mass of clean, dry crucible + lid (g):
Mass of crucible + lid + copper chloride (g):
Mass of crucible + lid + anhydrous copper chloride (g):
Record any observations, particularly color change.
The copper chloride took 3 minutes and 10 second to turn from a bright blue green
color to a burnt brown color. Once the copper chloride turned brown we heated it for 2
additional minutes to make sure everything was properly heated and all the water was
removed from the copper chloride.
Part III (B)
Mass of copper + watch glass (g):
Weigh 1
Weigh 2
Weigh 3
29.667
30.751
30.519
46.555
Mass of copper solid (g)
4.657
4.647
4.647

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