



Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community for help and clear up your study doubts
Discover the best universities in your country according to Docsity users
Free resources
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
Lab 6 chem 162 university of washington
Typology: Lab Reports
1 / 5
This page cannot be seen from the preview
Don't miss anything!
Goals of this lab:
By part signing of this below, lab report, you certifyand that that all you calculations have not andfalsified responses data, thatother you than have the not reporting plagiarized of raw any data are your own independent work. Failure to sign this declaration will result in 5 points being deducted from your lab score.
This lab is worth 60 points: 10 points for notebook pages, 50 points for the lab report (Do NOT include your notebook pages when you scan your report for upload into Gradescope.)
NEATLY show your work. Use a reasonable number of significant figures, include units with your data, and keep your answers concise.
Value Units Mass of salicylic acid (^) 0.210 9
Volume of phosphoric acid (^2) drops
Calculation summary: How much crude aspirin did you produce? 0.2^^
Page 2 of 5
NA (^) Quiz Section
Absorbance Mass of crude product analyzed required work. A=EAc-c=A, — -+
Q5DM-^ ,1,013‘cpm• Ic 138, 1Mo
278X 0.02) a Calculation summary. What is the % impurity in your product?
Calculation summary: What is the corrected % yield for your synthesis reaction? 112. % glelo
Quiz Section CD
Range Units Trial #1 for crude aspirin sample (^) 152.1-15.9 ‘ 0 Trial #2 for crude aspirin sample (^) 153.7-/57.3 °C Pure aspirin sample (^) 136.2-13q.2 °C
The wo MOlS wirth the erode OSpri) hve lovger pomiS than -rhe pore aspirin Somple.T/SIS -the vSvH we expeded. n+e crde ospirn l(kelo (onounino POrihes, the vettho pomt WOs (ower. - Ths IS cavsdouthewpovHles disroptngtM€ inter- mble(vloy corce5 Movivo tt eosier dv brcl the bonds ond me(+ He crude spii CDMWpoved To-te pore ospiHH.
Page 5 of 5