A solution of potassium permanganate of unknown concentration was analyzed against a standard of various concentrations. Refer to the following data set to answer the succeeding questions (MM KMNO4 = 158.034 g/mol). Table 1. Data for Standard Calibration Curve KMN04 Standard Absorbance at 525 nm (grams/Liter) 0.008 0.10437 0.158 0.20197 0.316 0.45288 0.474 0.68232 0.632 0.89361 Table 2. Data for KMNO4 Solution of Unknown Conc. Sample of Unknow Conc. Absorbance at 525 nm Undiluted 0.95423 KMN04 Diluted KMN04 0.46514 (50% dilution) Which of the following linear equation for the standard calibration curve is generated from Table 1? y= 0.74923x - 0.03231 y= 0.03231x - 0.74923 y= 1.3179x + 0.04845 y= 0.04848x + 1.3179
A solution of potassium permanganate of unknown concentration was analyzed against a standard of various concentrations. Refer to the following data set to answer the succeeding questions (MM KMNO4 = 158.034 g/mol). Table 1. Data for Standard Calibration Curve KMN04 Standard Absorbance at 525 nm (grams/Liter) 0.008 0.10437 0.158 0.20197 0.316 0.45288 0.474 0.68232 0.632 0.89361 Table 2. Data for KMNO4 Solution of Unknown Conc. Sample of Unknow Conc. Absorbance at 525 nm Undiluted 0.95423 KMN04 Diluted KMN04 0.46514 (50% dilution) Which of the following linear equation for the standard calibration curve is generated from Table 1? y= 0.74923x - 0.03231 y= 0.03231x - 0.74923 y= 1.3179x + 0.04845 y= 0.04848x + 1.3179
Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter8: Electrochemistry And Ionic Solutions
Section: Chapter Questions
Problem 8.81E: a The salt NaNO3 can be thought of as NaCl+KNO3KCl. Demonstrate that 0 values show this type of...
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![A solution of potassium permanganate of unknown concentration was analyzed against a standard of various
concentrations. Refer to the following data set to answer the succeeding questions (MM KMNO4 = 158.034 g/mol).
Table 1. Data for Standard Calibration Curve
KMN04
Standard
Absorbance at 525 nm
(grams/Liter)
0.008
0.10437
0.158
0.20197
0.316
0.45288
0.474
0.68232
0.632
0.89361
Table 2. Data for KMNO4 Solution of Unknown Conc.
Sample of
Unknown
Absorbance
at 525 nm
Conc.
Undiluted
0.95423
KMN04
Diluted
KMNO4
0.46514
(50%
dilution)
Which of the following linear equation for the standard calibration curve is generated from Table 1?
y= 0.74923x – 0.03231
y= 0.03231x –0.74923
y= 1.3179x + 0.04845
y= 0.04848x + 1.3179
O O O](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa767ff84-7b8c-4fd3-b316-bbe2a7fe547c%2F473b3421-7003-4a56-9184-1f9fd75000b5%2Fhiijqv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A solution of potassium permanganate of unknown concentration was analyzed against a standard of various
concentrations. Refer to the following data set to answer the succeeding questions (MM KMNO4 = 158.034 g/mol).
Table 1. Data for Standard Calibration Curve
KMN04
Standard
Absorbance at 525 nm
(grams/Liter)
0.008
0.10437
0.158
0.20197
0.316
0.45288
0.474
0.68232
0.632
0.89361
Table 2. Data for KMNO4 Solution of Unknown Conc.
Sample of
Unknown
Absorbance
at 525 nm
Conc.
Undiluted
0.95423
KMN04
Diluted
KMNO4
0.46514
(50%
dilution)
Which of the following linear equation for the standard calibration curve is generated from Table 1?
y= 0.74923x – 0.03231
y= 0.03231x –0.74923
y= 1.3179x + 0.04845
y= 0.04848x + 1.3179
O O O
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