PRACTICAL Flashcards
Draw distillation apparatus
Draw reflux apparatus
Describe the stages of the distillation of an aldehyde from an alcohol
How do you calculate if you experiment was accurate?
If the experimental error is SMALLER than apparatus error, then you have accurate results
How do you calculate experimental error (a percentage)
= 100× (real answer - experiment answer) / real answer
what do you use to filter a desired solid product
Buchner Funnel
How do you purify a substance by recrystillization
Dizzolve substance, including impurities in hot solvent. It should be soluable in hot holvent and less soluable in cold solvent so that only our desired product recrystillizes. Use hot glasswear so it doesn’t crystallize in apparatus.
In a concentration rate graph, which axis is which?
Rate : Y
Concentration : X
In a concentration time graph, which axis is which?
Concentration: Y
Time: X
Which axis is which on an absorbtion concentration graph
How do you purify via recrystillization (4)