Postlab 1 - Name: Jeff Johnson Qz Section: BJ Part II....

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Unformatted text preview: Name: Jeff Johnson Qz Section: BJ Part II. Magnetic Susceptibility Purpose and Method 4 pts DATA, CALCULATIONS AND GRAPHS Theoretical Expectations Sample Central Metal Co 2+ [Ar]3d7 Cu 2+ [Ar]3d9 2 pts Mn 2+ [Ar]3d5 Mn 7+ [Ar] Sample 3 1 2 pts 5 Sample # Name Mass (g) 1 237.93 0.28 2.9-33-33 2 249.68 0.36 3.1-32-34 3 168.95 0.54 3.8-35-35 4 158.00 0.31 2.5-27-27 5 237.93 0.22 2.6-31-31 6 249.68 0.33 2.8-33-33 7 168.95 0.35 2.8-32-32 8 158.00 0.36 2.7-31-31 Charge on Metal Ion Abbreviated Electron Configuration CoCl 2 6H 2 CuSO 4 5H 2 MnSO 4 H 2 KMnO 4 n theoretical CoCl 2 6H 2 CuSO 4 5H 2 MnSO 4 H 2 KMnO 4 MW (g/mol) Length (cm) R o Balance 1 R o Balance 2 CoCl 2 6H 2 CuSO 4 5H 2 MnSO 4 H 2 KMnO 4 CoCl 2 6H 2 CuSO 4 5H 2 MnSO 4 H 2 KMnO 4 EXPERIMENT 1: CHEMICAL MODELS & MAGNETISM Part I. Chemical Models (separate sheet - 40 pts) Part II. Magnetic Susceptibility (14 pts) Part III. Ferromagnetism and Ferrofluids (6 pts) Enter the balance number, calibration constant, your sample numbers and the data for temperature and R in the table below. Enter the balance number, calibration constant, your sample numbers and the data for temperature and R in the table below....
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Postlab 1 - Name: Jeff Johnson Qz Section: BJ Part II....

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