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18 Nov 2019

Synthesis of Acetaminophen

A) Why should you use a minimum amount of a boiling solvent when recrystallizing the crystals of the acetaminophen? Explain.

B) Why should you use a minimum amount of a very cold solvent when washing the crystals of the acetaminophen? Explain.

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Casey Durgan
Casey DurganLv2
26 Aug 2019

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Related questions

Why is minimum amount of boiling 50/50 water-methanol mixture used to dissolve the crystals (in synthesis of acetaminophen), instead of using an excess amount of it?

I need help help understanding this exercise:


Suppose you carry out a TLC separation of acetaminophen andphenacetin on silica gel using a nonpolar developing solvent .which should have the higher Rf value and why?

A patient with a possible acetaminophen drug overdose goes to the emergency room. The attending physician notes the symptoms of acetaminophen overdose and decides to pump the patient's stomach. The physician must also decide whether to administer the specific antidote, N-acetylcysteine in order to limit liver damage. Administration of the antidote is recommended if serum acetaminophen levels are greater than 200.0 ug/mL four hours after ingestion. The patient reports having taken acetaminophen at 6 a.m. At 2pm, their serum acetaminophen level is 86.2 ug/mL and at 6 pm their serum levels are 27.8 ug/mL. For all calculations use given times as exact figures.

a.) Assuming metabolism of acetaminophen is first order, determine the rate constant.

b.) What was the serum acetominophen level 4 hours after ingestion? Should the patient be given the antidote? How did you decide?

c.) How much acetaminophen did the patient ingest, in milligrams? The patient reports the tablets taken contained 500.0 mg acetaminophen each. If this is true, how many tablets did the patient take? assume the patient has a typical blood volume of 2.00 L.

a.) k=________________

b.) acetaminophen level @ 4hrs=__________________ give antidote?________________________________________________________

c.) mg taken=_____________________ # of tablets taken:__________________________

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