Chem Lab 4

Chem Lab 4 - Sample Molecular Weight (g/mol) Sample Mass...

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Unformatted text preview: 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 # 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 CuI 0.0050089-0.165703478 CuCl 2 .2H 2 O 0.00559 2.393559928 1.11579598 VOSO 4 0.0019797 1.823539316 1.031771715 NH 4...
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This note was uploaded on 04/09/2008 for the course CHEM 132L taught by Professor Pavel during the Fall '07 term at Marist.

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Chem Lab 4 - Sample Molecular Weight (g/mol) Sample Mass...

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