#66 Exercises | 52166. Calculate [H;O*] given [OH] in each aqueous solutionand classify each solution as acidic or basic.(a) [OH ] = 2.1 × 10(b) [OH ] = 7.5 × 10-9 M(c) [OH¯](d) [OH¯] = 1.0 × 10-2 M11M2.1 X 10-4 M88.%3D%3D68. Classify each solution as acidic, basic, or neutral accordingto its pH value.(a) pH = 4.0(b) pH = 3.5(c) pH = 13.0(d) pH = 0.85%3D70. Calculate the pH of each solution.(a) [H3O*](b) [H3O*] = 7.6 × 10-2 M= 2.4 × 10-10 M.

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66. Calculate [H3O*] given [OH¯] in each aqueous solution and classify each solution as acidic or basic.

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter13: Acids And Bases

Section: Chapter Questions

Problem 23Q

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Question

#66

Exercises | 521
66. Calculate [H;O*] given [OH] in each aqueous solution
and classify each solution as acidic or basic.
(a) [OH ] = 2.1 × 10
(b) [OH ] = 7.5 × 10-9 M
(c) [OH¯]
(d) [OH¯] = 1.0 × 10-2 M
11
M
2.1 X 10-4 M
88.
%3D
%3D
68. Classify each solution as acidic, basic, or neutral according
to its pH value.
(a) pH = 4.0
(b) pH = 3.5
(c) pH = 13.0
(d) pH = 0.85
%3D
70. Calculate the pH of each solution.
(a) [H3O*]
(b) [H3O*] = 7.6 × 10-2 M
= 2.4 × 10-10 M.

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