On some instruments, the absorption percentage is read directly from the dial, while the absorption percentage is equal to 100 -% T. Assuming the following data for magnesium determination were obtained with such an instrument, calculate the concentration in ppm of magnesium in an unknown sample. [ppm Mg] 0 0.20 0.40 0.60 0.80 1.00 1.20 % absorption 0 11.8 22.4 31.8 39.9 47.3 53.5 The sample showed a value of 25.0% absorption.
On some instruments, the absorption percentage is read directly from the dial, while the absorption percentage is equal to 100 -% T. Assuming the following data for magnesium determination were obtained with such an instrument, calculate the concentration in ppm of magnesium in an unknown sample. [ppm Mg] 0 0.20 0.40 0.60 0.80 1.00 1.20 % absorption 0 11.8 22.4 31.8 39.9 47.3 53.5 The sample showed a value of 25.0% absorption.
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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On some instruments, the absorption percentage is read directly from the dial, while the absorption percentage is equal to 100 -% T. Assuming the following data for magnesium determination were obtained with such an instrument, calculate the concentration in ppm of magnesium in an unknown sample.
|
[ppm Mg] |
0 |
0.20 |
0.40 |
0.60 |
0.80 |
1.00 |
1.20 |
|
% absorption |
0 |
11.8 |
22.4 |
31.8 |
39.9 |
47.3 |
53.5 |
The sample showed a value of 25.0% absorption.
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