CHEM 162 Experiment 5: Spectrochemical Series Complete Solution 2023

NAME: STUDENT ID #: QUIZ SECTION: Laboratory Waste Evaluation Laboratory waste is considered anything generated during an experiment that is disposed of down the sewer drain, thrown in the garbage, collected in a container for disposal by the UW Environmental Health & Safety department, or released into the environment. Based on the written lab procedure and your actions during the lab, list the identity and approximate amount (mass or volume) of waste that you generated while performing this experiment. 10 Kimwipes and disposable plastic graduated pipets ~ 0.5 g Copper(II) Sulfate Pentahydrate ~ 0.25 g Glycine ~ 3 mL of 1M HCl ~ 10 g of Sodium Bicarbonate ~15 mL 0.1M Copper (II) Sulfate Solution ~ 5 mL NaCl ~ 1 mL NH4OH ~ 1 mL of 0.20 M en 2 filter paper ~ 1200 mL of Di water ~ 3 mL of Cu(aca)2 complex ~ 3 mL each of the octahedral iron complexes ~ 3 mL each of the Cobalt complexes CHEM 162 Experiment #5: Spectrochemical Series Goals of this lab: • Produce a copper coordination compound and evaluate the yield • Calculate d-orbital splitting energies from spectral data in nanometers • Apply Crystal Field Theory to the comparison of ligand field strengths among groups of coordination complexes • Assess the accuracy of experimental data and identify sources of error Your lab report will be graded on the following criteria using a poor/good/excellent rating system: • Calculations are complete are accurate, with proper use of significant figures and units • Data collected is reasonable • Lab report is clear, legible, and neat • Error analysis is well-supported and valid By signing below, you certify that you have not falsified data, that you have not plagiarized any part of this lab report, and that all calculations and responses other than the reporting of raw data are your own independent work. Failure to sign this declaration will result in 5 points being deducted from your lab score. Signature: ________________________________________ This lab is worth 60 points: 10 points for notebook pages, 50 points for the lab report. (Do NOT include your notebook pages when you scan your report for upload into Gradescope.) NAME: Ashley Subijanto STUDENT ID #: Part A: Preparation of cis-Bis(glycinato)copper(II) monohydrate, Cu(gly)2 ·H2O mass CuSO4 ·5H2O g mass NH2CH2CO2H (glycine) g molar mass CuSO4 ·5H2O g/mole moles CuSO4 ·5H2O moles molar mass NH2CH2CO2H (glycine) g/mole moles NH2CH2CO2H (glycine) moles limiting reagent is molar mass Cu(gly)2 ·H2O g/mole (Note for molar mass: each glycine loses the acidic proton in order to be a bidentate ligand) mass Cu(gly)2 ·H2O expected based on limiting reagent g mass Cu(gly)2 ·H2O recovered g % Yield %