lab1ws1.png - Chemistry 241 Lab 1 Acid Base Extraction...

This preview shows page 1 out of 1 page.

Image of page 1
You've reached the end of this preview.

Unformatted text preview: Chemistry 241 Lab 1 : Acid - Base Extraction , Crystallization , and Melting Point 2018 - 2019 LAB 1 : ACID- BASE EXTRACTION , CRYSTALLIZATION , AND MELTING POINT* Prelab 1 & Checklist Name :_ _Shmat Alex Last First Section : BU Due on the FIRST day for this lab DX Before lab , complete the General safety quiz on Canvas . Before lab , complete the Lab 1 Day I safety quiz on Canvas . * Bring all required lab supplies ( goggles , lab coat , lab notebook , ball - point pen ) . * Before lab , read lab procedure and PLKE techniques 2 ( notebooks ) , 5 ( measurement ) , and 12 ( extractions ) . IX Watch the Canvas instructional video on extractions [N) Arrive to lab on time . [* Write a prelab for the extraction portion of the experiment in your lab notebook . Your prelab the extraction . should include a flow chart that details where each compound and solvent will be at each step in Do You do NOT need to rewrite the same information in your notebook for each prelab . However , you should upload relevant notebook pages for BOTH prelabs . ( 3 pts ) The pKa of benzoic acid is 4 . 2 . Draw benzoic acid in the appropriate state (s ) of protonation at each PH . In which layer ( water or organic ) would the benzoic acid be at each PH ? PH 2. 0 PH 4. 2 PH 12. 0 Best man " OH OH benzoic acid benzoate anion Layer ( s ) Organ Z Layer ( s ) Both Layer ( s ) water...
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern