Determine the percent, by mass, of the indicated element: (a) Pb in tetraethyl lead, once extensively used as an additive to gasoline to prevent engine knocking Pb(C2H5)4 , Cu(C18H33O2)2 . C20H24N2O2 . Cr(NO3)3 # 9 H2O. H2O C(CH3)3CH2CH(CH3)2 . Cu2(OH)2CO3 . C10H22 . (b) Fe in Prussian blue, a pigment used in paints and printing inks (c) Mg in chlorophyll, the green pigment in plant cells
Analysis of Pesticides Using GCMS Mr. Kyle LaPage, Mr. Ian Kim (Partner), and Ms. Whitney Bowman (Partner) Submitted to: Ms. Allison Moore (GTA) CHEM 1046, Experiment 10, April 12, 2016 LABORATORYWRITTEN REPORT Honor Code Signature________________ Abstract In this laboratory experiment, we will extract potential pesticides from common applesauce and determine what artificial chemicals are in it by measuring it with a GCMS machine. We first added many chemicals to the applesauce and centrifuged it many times until we were able to extract the final product and read it with a GCMS. We found that the main chemica
