Answer B, show all work and correct number of sig figs. A. A water soluble sample containing an unknown amount of sulfate ion weighed 0.4892g. When treatedaccording to the procedure of this experiment, the sample produced 0.8462g barium sulfate. What is the masspercent SO42- in the sample?B. Same as Parl A, but three determinations are made:Sample 1Sample 2Sample 3mass of sample0.4892 g0.3981 g0.3429 gmass of barium sulfate0.8462 g0.6890 g0.5938 gFind the mass percent SO42- for each sample, the average percent SO42- (mean), and the average deviationfrom the mean (precision index).

B. Same as Part A, but three determinations are made: Sample 1 Sample 2 Sample 3 mass of sample 0.4892 g 0.3981 g 0.3429 g mass of barium sulfate 0.8462 g 0.6890 g 0.5938 g Find the mass percent SO42- for each sample, the average percent SO42- (mean), and the average deviation from the mean (precision index).

B. Same as Part A, but three determinations are made: Sample 1 Sample 2 Sample 3 mass of sample 0.4892 g 0.3981 g 0.3429 g mass of barium sulfate 0.8462 g 0.6890 g 0.5938 g Find the mass percent SO42- for each sample, the average percent SO42- (mean), and the average deviation from the mean (precision index).

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Answer B, show all work and correct number of sig figs.

A. A water soluble sample containing an unknown amount of sulfate ion weighed 0.4892g. When treated
according to the procedure of this experiment, the sample produced 0.8462g barium sulfate. What is the mass
percent SO42- in the sample?
B. Same as Parl A, but three determinations are made:
Sample 1
Sample 2
Sample 3
mass of sample
0.4892 g
0.3981 g
0.3429 g
mass of barium sulfate
0.8462 g
0.6890 g
0.5938 g
Find the mass percent SO42- for each sample, the average percent SO42- (mean), and the average deviation
from the mean (precision index).

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