Use the following information to answer numerical-response question 14 and question 42. Arsenic acid, H3AsO4(aq), has limited uses because of its toxicity, but it has occasionally been used in wood preservatives and as a finishing agent for glass and metal. The following equations represent the reactions that may occur when arsenic acid reacts with water. 14. Numerical Response The K, value for H₂ASO4 (aq), expressed in scientific notation, is a.b x 10-cd. The values of a, b, c, and d are, respectively, . and a H3AsO4(aq) + H₂O(1) H₂AsO4 (aq) + H₂O(1) HASO2 (aq) + H₂O(1) = AsO³(aq) + H₂O*(aq) H₂AsO4 (aq) + H₂O*(aq) HASO4 (aq) + H₂O*(aq) Row A. B. C. D. b Acid Classification Monoprotic acid Monoprotic acid Polyprotic acid Polyprotic acid C (Record all four digits of your answer in the numerical-response section on the answer sheet.) 42. Which of the following rows identifies the classification of HASO42- (aq) in terms of a Brønsted-Lowry acid and base? K₁ = 6.5 × 10-3 K₁ = 1.1 x 10-7 K₁ = 3.2 × 10-12 d Base Classification Polyprotic base Monoprotic base Polyprotic base Monoprotic base (1
Use the following information to answer numerical-response question 14 and question 42. Arsenic acid, H3AsO4(aq), has limited uses because of its toxicity, but it has occasionally been used in wood preservatives and as a finishing agent for glass and metal. The following equations represent the reactions that may occur when arsenic acid reacts with water. 14. Numerical Response The K, value for H₂ASO4 (aq), expressed in scientific notation, is a.b x 10-cd. The values of a, b, c, and d are, respectively, . and a H3AsO4(aq) + H₂O(1) H₂AsO4 (aq) + H₂O(1) HASO2 (aq) + H₂O(1) = AsO³(aq) + H₂O*(aq) H₂AsO4 (aq) + H₂O*(aq) HASO4 (aq) + H₂O*(aq) Row A. B. C. D. b Acid Classification Monoprotic acid Monoprotic acid Polyprotic acid Polyprotic acid C (Record all four digits of your answer in the numerical-response section on the answer sheet.) 42. Which of the following rows identifies the classification of HASO42- (aq) in terms of a Brønsted-Lowry acid and base? K₁ = 6.5 × 10-3 K₁ = 1.1 x 10-7 K₁ = 3.2 × 10-12 d Base Classification Polyprotic base Monoprotic base Polyprotic base Monoprotic base (1
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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Chapter20: Environmental Chemistry-earth's Environment, Energy, And Sustainability
Section: Chapter Questions
Problem 41PS
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![Use the following information to answer numerical-response question 14 and question 42.
Arsenic acid, H3AsO4(aq), has limited uses because of its toxicity, but it has occasionally
been used in wood preservatives and as a finishing agent for glass and metal. The following
equations represent the reactions that may occur when arsenic acid reacts with water.
H3AsO4(aq) + H₂O(1) H₂AsO4 (aq) + H₂O*(aq)
+ HgO*(aq)
H₂AsO4 (aq) + H₂O(1) = HASO4 (aq)
HASO² (aq) + H₂O(1) = AsO4³(aq) + H₂O¹(aq)
K₂ = 6.5 × 10-3
K₂ = 1.1 x 10-7
K₂= 3.2 x 10-12
Numerical Response
14. The K value for H₂AsO4 (aq), expressed in scientific notation, is a.b × 10-cd. The values
of a, b, c, and d are, respectively,.
and
Row
A.
B.
C.
D.
a
Acid Classification
Monoprotic acid
Monoprotic acid
b
(Record all four digits of your answer in the numerical-response section on the answer sheet.)
Polyprotic acid
Polyprotic acid
C
42. Which of the following rows identifies the classification of HASO42- (aq) in terms of a
Brønsted-Lowry acid and base?
d
Base Classification
Polyprotic base
Monoprotic baseb
Polyprotic base
Monoprotic base](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7794ddd3-0cd1-4301-aa45-eb990ce60a3d%2Ff5609730-af29-4abb-baf7-06342f810520%2F0qiwmld_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Use the following information to answer numerical-response question 14 and question 42.
Arsenic acid, H3AsO4(aq), has limited uses because of its toxicity, but it has occasionally
been used in wood preservatives and as a finishing agent for glass and metal. The following
equations represent the reactions that may occur when arsenic acid reacts with water.
H3AsO4(aq) + H₂O(1) H₂AsO4 (aq) + H₂O*(aq)
+ HgO*(aq)
H₂AsO4 (aq) + H₂O(1) = HASO4 (aq)
HASO² (aq) + H₂O(1) = AsO4³(aq) + H₂O¹(aq)
K₂ = 6.5 × 10-3
K₂ = 1.1 x 10-7
K₂= 3.2 x 10-12
Numerical Response
14. The K value for H₂AsO4 (aq), expressed in scientific notation, is a.b × 10-cd. The values
of a, b, c, and d are, respectively,.
and
Row
A.
B.
C.
D.
a
Acid Classification
Monoprotic acid
Monoprotic acid
b
(Record all four digits of your answer in the numerical-response section on the answer sheet.)
Polyprotic acid
Polyprotic acid
C
42. Which of the following rows identifies the classification of HASO42- (aq) in terms of a
Brønsted-Lowry acid and base?
d
Base Classification
Polyprotic base
Monoprotic baseb
Polyprotic base
Monoprotic base
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