Sciencemadness Discussion Board

Spectrophotometric Copper Determination calculations

cyanide6688 - 3-4-2011 at 08:41

Sorry post this in the wrong section and also left out some details. if my other post could be deleted that would be great. Also im not looking for someone to do my homework for me, im just not sure what formulas to use here. I am quite confused on how to do the calculations on my chemistry lab, i have scanned, and rewritten my answers so they would be more clear :-) . the questions i have are on the 3rd and 4th image, im just really not sure how to do the calculations, if someone can show me how that would be great, i can do the graph and all that, i'm just not sure how to do the calculations. thank you very much, the lab report is below. (note, if the images are to small just keep clicking them, and they will open again, but larger)
http://img707.imageshack.us/i/pg1y.jpg/
http://img836.imageshack.us/i/pg2sr.jpg/
http://img805.imageshack.us/i/pg3k.jpg/
http://img27.imageshack.us/i/pg4e.jpg/
here are the instructions on how we made up the solutions.

http://img863.imageshack.us/i/71934094.jpg/
http://img857.imageshack.us/i/36724094.jpg/
http://img203.imageshack.us/i/49843619.jpg/


thanks again, i really appreciate it.