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Chemistry Experiments - Lab Report Example

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Here two procedure were used to determine water contain of crystalline Cuso4. There are several advantages and disadvantages of these two methods but both are complemented to each other .Errors which were occurred during first experiments can be nullify by second experiments and combination of both experiments gives conclusive answers.
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Chemistry Experiments
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Download file "Chemistry Experiments" to see previous pages... This methodology is widely use to determine concentration of various metal ion like Cu, Al, sulphide etc. being highly sensitive and accurate methods precautions should be taken while performing estimations. some of them are as follows.
Copper iodide forms week complex with molecular iodine (I2),
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which slowly leach out and gives re-coloration to the solution after discoloration. Avoid that potassium thiocynate can be added to the system.
Proper observation of discoloration must be taken and any modification in it leads to differential endpoint and hence final result. White bright tiles or any white paper can be kept below flask to distinguish different coloration and end point.
There is slight difference in obtained results and actual values as there are chances (Mary Ann Varanka-Martin) (WKU website) (MHS Chemistry ) of error and limitation of procedure leads this difference.
Both experiments gives Idea of water contain in hydrated Cuso4 crystal and make us understand how water plays important role in crystallization. Slight modification in above mention experiments give us more information about thermodynamics of crystallization and how different lows of physics and chemistry applies to crystallization process For example if we estimate the water evaporated during heating by obtaining condensate of it, gives clear cut idea of law of mass conservation and also validate results by one more means. Similarly estimation of heat generated during rehydration of CuSo4 gives idea of law of energy conservation and make us understand how energy get disappears in form of ...Download file "Chemistry Experiments" to see next pagesRead More
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