The general formula for the copper ammine complex is [Cu(NH3)x]SO4•H2O. Calculate the formula weight for several values of x. (Include a short discussion on what you think reasonable values for x might be.)
The general formula for the copper ammine complex is [Cu(NH3)x]SO4•H2O. Calculate the formula weight for several values of x. (Include a short discussion on what you think reasonable values for x might be.)
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter20: Transition Metals And Coordination Chemistry
Section: Chapter Questions
Problem 3RQ
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Question
1. The general formula for the copper ammine complex is [Cu(NH3)x]SO4•H2O. Calculate the formula weight for several values of x. (Include a short discussion on what you think reasonable values for x might be.)
2.You will need to prepare approximately 6 g of the copper ammine product. Estimate how much CuSO4•5H2O you should start with to prepare approximately 6 g of the copper ammine complex.
3.Calculate how many grams of CuSO4•5H2O are required to prepare a 0.05 M solution in a 100 mL volumetric flask. This solution will serve as a stock solution from which you’ll prepare your standards.
4.Show the equation needed to calculate the volume of 0.05 M stock solution needed to prepare a set of diluted solutions in a 10 mL volumetric flask.
5.Rearrange the equation from (4) to show how you can calculate the actual concentration of each standard, given the actual volume of stock solution delivered.
6.Show how you will calculate the ratio of ammine to copper (the value of x in the formula above).
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