Thursday
October 2, 2014

Homework Help: chemistry

Posted by kelis on Wednesday, January 12, 2011 at 2:26pm.

A 0.5130 g aspirin tablet which was dissolved in 95 percent ethanol required 27.98 mL of 0.1000 M NaOH for neutralization. Then an additional 42.78 mL of 0.1000 M NaOH was added and the soln was heated to hydrolyze the aceytlsalicyclic acid. After the reaction mixture was cooled, the excess base was back-titrated with 14.29 mL of 0.1056 M HCL. How many grams of acetylsalicylic acid are in the tablet? What % w/w of the tablet is acetylsalicyclic acid?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry - Acetylsalicylic acid (C9H8O4) is a monoprotic acid commonly known as...
Chemistry - 3) A student dissolves a 1.18g aspirin tablet in water and titrates ...
Chemistry - Mass of an aspirin tablet is 0.42g and contains 77.38% ASA by mass. ...
chemistry - An aspirin tablet weighing 0.548 g has been analyzed and contains 68...
Chemistry - A certain headache relief tablet is composed of monoprotic ...
chemistry - What is the mass percent of a solution if 42.9 grams of aspirin is ...
chemistry - What is the mass percent of a solution if 42.9 grams of aspirin is ...
College Chemistry - 1) A 25mL sample of the .265M HCI solution from the previous...
chem - quantitative determination of acetylsalicylic acid in aspirin tablets by ...
chemistry - I need some help with calculating percent yield and percent purity ...

Search
Members