.Ccoraing to the following tion data for a chioride lon selective electrode. Sample Conc. pCl- Avg. E RSD (M) (mV) (%) Stock 1.0129E-01 0.99 33.5 0.5 1.5 SD1 1.0129E-02 1.99 106.0 0.0 0.0 SD2 1.0129E-03 2.99 165.0 0.0 0.0 SD3 1.0129E-04 3.99 220.3 0.6 0.3 Unknown ? ? 125 0.6 0.5 Coefficients Standard Error Intercept -30 7.659148828 57.1 2.801933856 Variable 1
.Ccoraing to the following tion data for a chioride lon selective electrode. Sample Conc. pCl- Avg. E RSD (M) (mV) (%) Stock 1.0129E-01 0.99 33.5 0.5 1.5 SD1 1.0129E-02 1.99 106.0 0.0 0.0 SD2 1.0129E-03 2.99 165.0 0.0 0.0 SD3 1.0129E-04 3.99 220.3 0.6 0.3 Unknown ? ? 125 0.6 0.5 Coefficients Standard Error Intercept -30 7.659148828 57.1 2.801933856 Variable 1
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
![According to the following calibration data for a chloride ion selective electrode.
Sample Conc.
pCl-
Avg. E
RSD
(M)
(mV)
(%)
Stock
1.0129E-01 0.99
33.5
0.5
1.5
SD1
1.0129E-02 1.99
106.0
0.0
0.0
SD2
1.0129E-03 2.99
165.0
0.0
0.0
SD3
1.0129E-04 3.99
220.3
0.6
0.3
Unknown ?
?
125
0.6
0.5
Coefficients Standard Error
Intercept
-30 7.659148828
57.1 2.801933856
Variable 1
The pCl of the unknown solution is:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9b4a350c-df84-441e-96d3-c477cf0795a8%2F81bd433d-5600-4836-aa3a-22350e30a50c%2F4aptcmd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:According to the following calibration data for a chloride ion selective electrode.
Sample Conc.
pCl-
Avg. E
RSD
(M)
(mV)
(%)
Stock
1.0129E-01 0.99
33.5
0.5
1.5
SD1
1.0129E-02 1.99
106.0
0.0
0.0
SD2
1.0129E-03 2.99
165.0
0.0
0.0
SD3
1.0129E-04 3.99
220.3
0.6
0.3
Unknown ?
?
125
0.6
0.5
Coefficients Standard Error
Intercept
-30 7.659148828
57.1 2.801933856
Variable 1
The pCl of the unknown solution is:
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