Chem 100-110 Practice Final Exam 20. 34.62 mL of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H,SO, solution. What is the concentration of the original sulfuric acid solution? a) 0.105 M b) 0.209 M c) 0.0523 M d) 0.218 M e) 0.0229 M
Chem 100-110 Practice Final Exam 20. 34.62 mL of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H,SO, solution. What is the concentration of the original sulfuric acid solution? a) 0.105 M b) 0.209 M c) 0.0523 M d) 0.218 M e) 0.0229 M
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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![Chem 100/110 Practice Final Exam
20. 34.62 mL of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H,SO, solution.
What is the concentration of the original sulfuric acid solution?
a) 0.105 M
b) 0.209 M
c) 0.0523 M
d) 0.218 M
e) 0.0229 M
21. Which of the following is ranked in order of largest to smallest atomic radius?
a) Rb> Mn> As>$>O
b) Mn> Rb>0> S > As
c) O>S> As > Mn > Rb
d) Rb> As> Mn>0> S
e) Rb> Mn > S > As > 0
22. The number 0.00215 expressed in scientific notation is
a) 2.15 x 10¹
b) 2.15 x 10
c) 215 × 10¹
d) 2.15 x 10²
e) 2.15 × 10³
23. A student finds that the weight of an empty beaker is 14.049 g. She places a solid in the
beaker to give a combined mass of 14.142 g. To how many significant figures is the mass
of the solid known?
a) 2
b) 3
c) I
d) 5
24. An experiment requires 66.6 g of ethyl alcohol (density = 0.790 g/mL). What volume, in
liters, will be required?
a) 8.43 x 10 L
b) 5.26 x 10 L
c) 8.43 x 10 L
d) 8.43 x 10¹ L
c) 52.6 L
25. How many protons, electrons, and neutrons, respectively, does "P have?
a) 15, 15, 161
b) 15, 16, 15
c) 16, 15, 31
d) 15, 15, 31
e) 15,31, 16.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd2bd7039-c7bd-43b7-9b8b-5c61cf94dca0%2F36bac20e-d933-4ece-8dbc-e451b9180ca3%2Fd15uci8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Chem 100/110 Practice Final Exam
20. 34.62 mL of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H,SO, solution.
What is the concentration of the original sulfuric acid solution?
a) 0.105 M
b) 0.209 M
c) 0.0523 M
d) 0.218 M
e) 0.0229 M
21. Which of the following is ranked in order of largest to smallest atomic radius?
a) Rb> Mn> As>$>O
b) Mn> Rb>0> S > As
c) O>S> As > Mn > Rb
d) Rb> As> Mn>0> S
e) Rb> Mn > S > As > 0
22. The number 0.00215 expressed in scientific notation is
a) 2.15 x 10¹
b) 2.15 x 10
c) 215 × 10¹
d) 2.15 x 10²
e) 2.15 × 10³
23. A student finds that the weight of an empty beaker is 14.049 g. She places a solid in the
beaker to give a combined mass of 14.142 g. To how many significant figures is the mass
of the solid known?
a) 2
b) 3
c) I
d) 5
24. An experiment requires 66.6 g of ethyl alcohol (density = 0.790 g/mL). What volume, in
liters, will be required?
a) 8.43 x 10 L
b) 5.26 x 10 L
c) 8.43 x 10 L
d) 8.43 x 10¹ L
c) 52.6 L
25. How many protons, electrons, and neutrons, respectively, does "P have?
a) 15, 15, 161
b) 15, 16, 15
c) 16, 15, 31
d) 15, 15, 31
e) 15,31, 16.
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