Chem Pre-Lab 3

Chem Pre-Lab 3 - 02/23/08 The Chemistry and Qualitative...

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02/23/08 The Chemistry and Qualitative Analysis of Cations: Groups III and IV PURPOSE: The purpose of this lab is to develop the chemistry of certain Group III and Group IV cations, then use this chemistry to setup a procedure for qualitatively verifying the presence of selected cations. SAFETY: 1. Always wear safety goggles. 2. Handle glassware with care. 3. Solutions in small test tubes can not be heated safely over direct flame. 4. Chemical Alert: a. 6M Acetic Acid- Toxic and Corrosive b. 6M Ammonia- Toxic and Irritant c. .2M Ammonium Oxalate- Irritant d. .1M Barium Chloride- Highly Toxic e. .1M Calcium Chloride- Irritant f. .1M Chromium (III) Chloride- Toxic and Irritant g. 6M Hydrochloric Acid- Toxic and Corrosive h. 3% Hydrogen Peroxide- Corrosive i. .1M Iron (III) Chloride- Toxic and Corrosive j. .1M Nickel (II) Chloride- Toxic, Irritant, and Suspected Carcinogen k. 6M Nitric Acid- Toxic, Corrosive, and Strong Oxidant l. .1M Potassium Chromate- Suspected Carcinogen m. .1 M Potassium Thiocyanate- Irritant
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This lab report was uploaded on 04/08/2008 for the course PHYS 181 taught by Professor Neil during the Spring '08 term at Nevada.

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Chem Pre-Lab 3 - 02/23/08 The Chemistry and Qualitative...

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