Uga Chem Lab Exp 29

Alex Evans Sanders Dellinger Ryan Shockney Rashaad Williams October 18, 2010 Experiment 29 Procedure Proposal In this prove, the experimenter set up be given a one gram assay of Chromite. Chromite is delimitate as an Iron Magnesium Chromium Oxide. The aim of this lab is for the experimenter to determine if Iron, Magnesium, and Chromium atomic number 18 in the un make outn sample, and from these conclusions, realize if the un go to bedn sample is in truth Chromite. In doing this, multiple science lab skills are needed, along with general intimacy on the elements comprised in the experiment to be covered. As aforementioned, the main objective of this lab is to determine whether or not the unknown sample is in fact chromium. In mark to do so, the experimenter has a confine list of chemicals to use, which intromit: * Iron (III) Nitrate, Solid * Chromium (III) Nitrate, Solid * 1.

00 M Hydrochloric nasty etymon * 4 M Sodium Hydroxide Solution * Zinc Metal The experimenter in any case has gate to unlimited use of: * Standard lab equipment and glassware * MeasureNet temperature essay * MeasureNet pH probe and drop counter * MeasureNet spectrophotometer and Curvettes In this experiment, the experimenter go out utilize different skills learned from previous labs in magnitude to conduct the experiment in a productive and good manner. For instance, Chemical reactions will be utilized in order to separate the conflate unknown sample into its various components. unity must(prenominal) know that the driving force behind t ernary displacement reactions is the remova! l of ions, and one must also know that a hurry reaction is used when two sedimentary solutions of ionic compounds are mixed, and a solid is formed. Another compositors case of students using knowledge from a previous experiment is when the experimenter must perform an electric arc analysis on the stay aqueous Chromium solution. One last bit of valuable information to have is that some(prenominal) metals have the property of...If you want to conquer a broad essay, order it on our website: OrderCustomPaper.com

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