Unknown # Unknown Sample # Unknown Sample # Unknown Sample # 67 A 67 B _67 C_ 10.5246 10.5103 10.5369 Dried crucible, mass, g 12.6158 12.7061 12.6245 Crucible + mass unknown, g 2.0912 2.1958 2.0876 Mass of unknown, g Crucible + unknown after 12.4475 12.5295 12.4589 1st heating for 10 minutes over lit Bunsen burner, g 12.4474 12.4585 |Crucible + unknown after | 2nd heating for 10 minutes over lit Bunsen 12.5298 burner, g Mass Lost after heating, g (Amount of CO; loss) *Mass of CUCO3, g *% of CUCO3 in sample *% of CUCO3, average *% error to Theoretical Theoretical % CuCO3 is 22.75%

Unknown # Unknown Sample # Unknown Sample # Unknown Sample # 67 A 67 B _67 C_ 10.5246 10.5103 10.5369 Dried crucible, mass, g 12.6158 12.7061 12.6245 Crucible + mass unknown, g 2.0912 2.1958 2.0876 Mass of unknown, g Crucible + unknown after 12.4475 12.5295 12.4589 1st heating for 10 minutes over lit Bunsen burner, g 12.4474 12.4585 |Crucible + unknown after | 2nd heating for 10 minutes over lit Bunsen 12.5298 burner, g Mass Lost after heating, g (Amount of CO; loss) Mass of CUCO3, g % of CUCO3 in sample % of CUCO3, average % error to Theoretical Theoretical % CuCO3 is 22.75%

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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Question

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Unknown #
Unknown Sample #
Unknown Sample #
Unknown Sample #
67 A
67 В_
67 С
10.5246
10.5103
10.5369
Dried crucible, mass, g
12.6158
12.7061
12.6245
Crucible + mass
unknown, g
2.0912
2.1958
2.0876
Mass of unknown, g
Crucible + unknown after
12.4475
12.5295
12.4589
1st heating for 10 minutes
over lit Bunsen burner, g
Crucible + unknown after
12.4474
12.5298
12.4585
2nd heating for 10
minutes over lit Bunsen
burner, g
Mass Lost after heating, g
(Amount of CO, loss)
*Mass of CUCO3, g
*% of CUCO3 in sample
*% of CUCO3, average
*% error to Theoretical
Theoretical % CuCO3 is 22.75%

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PERCENT WATER IN A HYDRATE DATA/CALCULATION SHEET NAME 1.. crucible, cover, BaCl2 2H2O _\8, a0G! g crucible and cover 14.0188g BaCl 2H2O 4.1873 g first second third weighing weighing weighing crucible, cover, anhydrous BaCl, 7.5824 17.5815 H2O lost (use your last weighing) 17.58158 % water, experimental SHOW CALCULATION % water, theoretical (See prelab) % error SHOW CALCULATION
Find and show alll work for trial 1 and 2 of Mass % of water Theoretical Percent Mass
DATA/CALCULATION SHEET NAME 1. crucible, cover, BaCl2 2H2O \$,2061 crucible and cover 14.0188g BaCl2 2H2O 4.1873 8 first second third weighing weighing weighing crucible, cover, anhydrous BaCl2 17,5815 H2O lost (use your last weighing) 17.58158 SHOW CALCULATION % water, experimental (See prelab) % water, theoretical SHOW CALCULATION % error
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