Crystallization - Study guides, Class notes & Summaries

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CHEM 162 EXPERIMENT 4: I. Fractional Crystallization Of KNO3 With 2Fe2.6H2O Impurity II. The Solubility Curve Of KNO3. Starting Components (Fract. Crystallization #0) data entry 3 Step 3: Mixture before first crystallization 3 mass KNO3 4.501 g mass (NH4 )2Fe(SO4 )2 . 6H2O 0.501 g Total mass of the sample mixture 5.002 g % Impurity (i.e., % Fe compound in the mixture)* 10.02 % *(This is your % impurity for Fract. Crystallization # 0) Fract. Crystallization #1 Step 7: mass of dry filt...

BIOCHEMISTRY LAB 2 REPORT 2023/2024| PORTAGE LEARNING|WITH PROCEDURES, EXPLANATION AND FINAL RESULTS.HIGHLY RECOMMENDED Lab 2 Report: Recrystallization Chem 212

FSE 1105 Midterm Questions and Answers Already Passed What field involves the study of substances and their transformations? Chemistry Which branch focuses on substances that do not contain carbon? Inorganic Chemistry Which area of chemistry is concerned with carbon-containing compounds? Organic Chemistry Which discipline studies compounds produced by living organisms? Biological Chemistry What field is dedicated to the study of preserving deceased organic matter? Embalming Che...

If you add more than a minimum amount of ethanol when recrysallizing, how does that affect % recovery - correct answers Less crystals, % recovery decreases List 2 features of the mp of an impure compound - correct answers -Lower -Broad range List 2 features of the mp of a pure compound - correct answers -correct mp -narrow range 2 Features of a good solvent for recrystallization - correct answers -insoluble at colder temps -soluble at hot temps -All impurities soluble at all temper...

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What's the reason for filtration in recrystalization - correct answers to remove insoluble impurities ortho and para are more stable why - correct answers because allow for tertiary carbocation when can you skip filtration during recryst. - correct answers if no insoluble impurities are present why warm filter tip pipets - correct answers to prevent premature crystalization why cant the solvent from a recrystallization be removed via evaporation instead of centrifugation? - correct ...