Mass of crude Acetanilide = 0.508 Mass of filter paper = 0.800g Filter paper + pure Acetanilide = 1.153g Mass of pure Acetanilide = ? % recovery = ? Mpt of recrystallized Acetanilide =112 C – 114 C Mpt of crude Acetanilide = 97 C – 110 C

Mass of crude Acetanilide = 0.508 Mass of filter paper = 0.800g Filter paper + pure Acetanilide = 1.153g Mass of pure Acetanilide = ? % recovery = ? Mpt of recrystallized Acetanilide =112 C – 114 C Mpt of crude Acetanilide = 97 C – 110 C

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.10QAP

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Question

100%

Mass of crude Acetanilide = 0.508

Mass of filter paper = 0.800g

Filter paper + pure Acetanilide = 1.153g

Mass of pure Acetanilide = ?

% recovery = ?

Mpt of recrystallized Acetanilide =112 C – 114 C

Mpt of crude Acetanilide = 97 C – 110 C

Expert Solution

Step 1

From the given data,

Mass of crude Acetanilide = 0.508 g

Mass of filter paper = 0.800 g

Mass of filter paper + pure acetanilide = 1.153 g

So, the mass of pure acetanilide=(Mass of filter paper + Mass of pure acetanilide )- (Mass of filter paper)

=1.153 g-0.800 g=0.353 g

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