CHM 205 Lab Final Exam questions and answers Graded A+
CHM 205 Lab Final Exam questions and answers Graded A+ What glassware should never be used to measure an exact volume - beakers of erlenmeyer flasks (use a volumetric cylinder instead) How to read volume correctly - at the bottom of the meniscus Gravity filtration - - works well when the material to be filtered out is is rather granular (big) - fluted filter paper results in larger SA and faster filtration Vacuum Filtration - - good for filtering powders in large or small amounts - faster then gravity filtration - Buchner or Hirsch funnel - turn on vacuum then wet filter paper with solvent to form seal Micro-scale filtration - - use h
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chm 205 lab final exam questions and answers grad