Method 1 Sample 1 [SO42] (M) 3.821 x 10-4 Sample 2 [SO42] (M) 8.93 x 10-5 Sample 3 [SO4] (M) 9.773 x 10-4 Sample 4 [SO42] (M) 3.300 x 10-4 Method 2 4.04 x 10-4 1.055 x 104 1.233 x 10-3 3.380 x 10-4
Method 1 Sample 1 [SO42] (M) 3.821 x 10-4 Sample 2 [SO42] (M) 8.93 x 10-5 Sample 3 [SO4] (M) 9.773 x 10-4 Sample 4 [SO42] (M) 3.300 x 10-4 Method 2 4.04 x 10-4 1.055 x 104 1.233 x 10-3 3.380 x 10-4
Chapter5: Errors In Chemical Analyses
Section: Chapter Questions
Problem 5.12QAP
Related questions
Question
A sample of rainwater was collected from four separate locations across the
Metroplex. Each sample was measured once by two separate methods for the presence of
sulfate. Determine whether the two methods are equivalent with respect to giving the
same answer for [SO42-].
![Method 1
Sample 1 [SO42] (M)
3.821 x 10-4
Sample 2 [SO42] (M)
8.93 x 10-5
Sample 3 [SO4] (M)
9.773 x 10-4
Sample 4 [SO42] (M)
3.300 x 10-4
Method 2
4.04 x 10-4
1.055 x 104
1.233 x 10-3
3.380 x 10-4](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffc35ffb0-b560-4661-a0e7-efaf0f5d0086%2F008a5ed2-b452-4d05-9373-f7e11c63c51b%2F4dyonqs_processed.png&w=3840&q=75)
Transcribed Image Text:Method 1
Sample 1 [SO42] (M)
3.821 x 10-4
Sample 2 [SO42] (M)
8.93 x 10-5
Sample 3 [SO4] (M)
9.773 x 10-4
Sample 4 [SO42] (M)
3.300 x 10-4
Method 2
4.04 x 10-4
1.055 x 104
1.233 x 10-3
3.380 x 10-4
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