Unsaponifiable matter, % by mass = (A-B) × 100 W Where, A = weight, in g, of the residue, B = weight, in g, of the fatty acids in the extract (B=0.282×V×N), V = volume, in ml, of NaOH solution, N= normality of NaOH solution, and W = weight, in g, of the material taken for the test.
Unsaponifiable matter, % by mass = (A-B) × 100 W Where, A = weight, in g, of the residue, B = weight, in g, of the fatty acids in the extract (B=0.282×V×N), V = volume, in ml, of NaOH solution, N= normality of NaOH solution, and W = weight, in g, of the material taken for the test.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Question
Site sample problem of unsaponifiable matter, and show the complete solution using this formula.
![Unsaponifiable matter, % by mass
=
(A-B) × 100
W
Where,
A = weight, in g, of the residue,
B = weight, in g, of the fatty acids in the extract (B=0.282×V×N),
V = volume, in ml, of NaOH solution,
N= normality of NaOH solution, and
W = weight, in g, of the material taken for the test.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F30c19b16-5d86-47f7-8c5b-e3b1d2a95b57%2Fcd140ef5-5cd9-4806-b3bc-2b15346388b0%2Fxqn9lnq_processed.png&w=3840&q=75)
Transcribed Image Text:Unsaponifiable matter, % by mass
=
(A-B) × 100
W
Where,
A = weight, in g, of the residue,
B = weight, in g, of the fatty acids in the extract (B=0.282×V×N),
V = volume, in ml, of NaOH solution,
N= normality of NaOH solution, and
W = weight, in g, of the material taken for the test.
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