8. What is the concentration in Molarity of zinc nitrate solution that is 15 ppm zinc? (Zn: 65.39 g/mol, Zn(NO3)2: 189.39 g/mol) a. 2.29x10-1 b. 7.92x10-5 c. 6.63x104 d. 2.29x10-4 89:35 40141.4-0 8. 9. Approximately how much KHP (204.23 g/mol) is needed to neutralize 12 mL of 0.10 M sodium hydroxide? a. 0.006 g b. 250 g C.250 c. 0.250 g d. 4 g 9. C~ 10. A dataset with an average and standard deviation of 0.170±0.041 has the following values: 0.15, 0.14, 0.16, 0.23. Using the Grubb's test, which value is an outlier? a. 0.15 b. 0.14 c. 0.16 0.75-0.170 0.041 -1.46 d. 0.23 e. None of the values is an outlier 10.
8. What is the concentration in Molarity of zinc nitrate solution that is 15 ppm zinc? (Zn: 65.39 g/mol, Zn(NO3)2: 189.39 g/mol) a. 2.29x10-1 b. 7.92x10-5 c. 6.63x104 d. 2.29x10-4 89:35 40141.4-0 8. 9. Approximately how much KHP (204.23 g/mol) is needed to neutralize 12 mL of 0.10 M sodium hydroxide? a. 0.006 g b. 250 g C.250 c. 0.250 g d. 4 g 9. C~ 10. A dataset with an average and standard deviation of 0.170±0.041 has the following values: 0.15, 0.14, 0.16, 0.23. Using the Grubb's test, which value is an outlier? a. 0.15 b. 0.14 c. 0.16 0.75-0.170 0.041 -1.46 d. 0.23 e. None of the values is an outlier 10.
General, Organic, and Biological Chemistry
7th Edition
ISBN:9781285853918
Author:H. Stephen Stoker
Publisher:H. Stephen Stoker
Chapter8: Solutions
Section: Chapter Questions
Problem 8.41EP
Related questions
Question
Transcribed Image Text:8. What is the concentration in Molarity of zinc nitrate solution that is 15 ppm zinc? (Zn: 65.39 g/mol,
Zn(NO3)2: 189.39 g/mol)
a. 2.29x10-1
b. 7.92x10-5
c. 6.63x104
d. 2.29x10-4
89:35
40141.4-0
8.
9. Approximately how much KHP (204.23 g/mol) is needed to neutralize 12 mL of 0.10 M sodium
hydroxide?
a. 0.006 g
b. 250 g
C.250
c. 0.250 g
d. 4 g
9.
C~
10. A dataset with an average and standard deviation of 0.170±0.041 has the following values: 0.15,
0.14, 0.16, 0.23. Using the Grubb's test, which value is an outlier?
a. 0.15
b. 0.14
c. 0.16
0.75-0.170
0.041
-1.46
d. 0.23
e. None of the values is an outlier
10.
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