Class Notes (834,048)
Canada (508,296)
Chemistry (1,145)
CHEM 212 (72)
Lecture

CHEM 212 Lab Summaries.doc

3 Pages
156 Views
Unlock Document

Department
Chemistry
Course
CHEM 212
Professor
Mike Daoust
Semester
Winter

Description
Summary of CHEM 212 Labs a 10 minute review Experiment 1 Recrystallization We separate solids by their differences in solubility In this lab we want to extract phthalic acid from its mixture with charcoal which was used to decolorize the aqueous solution after phthalic acid was added to it So we heat up the solution thereby dissolve the solid then we can filter out the charcoal and insoluble solid impurities using hot gravity filtrationWe can then recrystallize the solid from its dissolved state by lowering the temperature of the water ice bath it after it cools room temperature And then do the suction vacuum filtration and measure the melting temp range of the yield to determine the purity of the collected solid Notes any impurity lowers the melting pointwhy No chemical reaction was involved only filtering purifying the compound if no crystallization occurs initially a scratch surface of flask b add some of the original impure material Experiment 2 DistillationObjectives Understand that distillation is a technique of separating different liquid comp
More Less

Related notes for CHEM 212

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit