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Chem Lab 4 - Sample MnSO4.4H2O FeSO4.7H2O NiSO4.7H2O...

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Sample Molecular Weight (g/mol) Sample Mass (g) Initial Weight (g) Final Weight (g) Difference in Mass (g) MnSO 4 .4H 2 O 223 0.3665 3.78132 3.8283 .046987 FeSO 4 .7H 2 O 278 0.6696 3.7718 3.82521 .05341 NiSO 4 .7H 2 O 281 0.6809 3.78159 3.80189 .0203 CuSO 4 .5H 2 O 249 0.6894 3.78916 3.79349 .00453 ZnSO 4 .7H 2 O 287 0.6748 3.7743 3.77313 -.00117 CuI 190 0.9517 3.0514 3.05057 -.00083 CuCl 2 .2H 2 O 170 0.9503 3.05092 3.0643 .01338 VOSO 4 300 0.5939 3.69389 3.6975 .00361 NH 4 VO 3 117 0.5903 3.69056 3.69008 -.00048 Hg 2 (NO 3 ) 2 .2H 2 O 561 1.5735 3.67518 3.67395 -.00123 HgO.2Hg(NO 3 ) 2 866 1.5746 3.67483 3.6735 -.00133
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# of Moles Weight Change / Mole Known Unpaired Predicted Unpaired MnSO 4 .4H 2 O 0.0016435 28.58537517 5 FeSO 4 .7H 2 O 0.0024086 22.17440263 4 NiSO 4 .7H 2 O 0.0024231 8.377588486 2 CuSO 4 .5H 2 O 0.0027687 1.563925152 1 ZnSO 4 .7H 2 O 0.0023512 -0.497614108 0 CuI 0.0050089 -0.165703478 0 CuCl 2 .2H 2 O 0.00559 2.393559928 1.11579598 VOSO 4 0.0019797 1.823539316 1.031771715 NH 4 VO 3 0.0050453 -0.095138065 0 Hg 2 (NO 3 ) 2 .2H 2 O 0.0028048 -0.438531935 0 HgO.2Hg(NO 3 ) 2 0.0018182 -0.73147466 0
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Computer simulations often provide a way to view experiments impossible to conduct in laboratories. Paramagnetism, or the attraction to a magnetic field caused by unpaired electrons and diamagnetism, the slight repulsion from a magnetic field occurring when all electrons are paired, happen because of an elements given electron configurations. Electrons which are unpaired are in the highest
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