In an aqueous solution at 25°C, if [H,O*] = 3.1 × 10-ª M, then [OH] is: ||

Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter8: Acids And Bases
Section: Chapter Questions
Problem 8.46P: 8-46 If 25.0 mL of an aqueous solution of H2SO4 requires 19.7 mL of 0.72 M NaOH to reach the end...
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In an aqueous solution at 25°C, if
[H,O*] = 3.1 × 10-ª M, then [OH¯] is:
| M
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2
3
4
6.
C
7
8
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x 10 0
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Transcribed Image Text:Question 5 of 6 Submit In an aqueous solution at 25°C, if [H,O*] = 3.1 × 10-ª M, then [OH¯] is: | M 1 2 3 4 6. C 7 8 +/- x 10 0 Tap here or pull up for additional resources LO
Expert Solution
Step 1

Given:

[H3O+]=3.1×10-4 M

To find:

[OH-]

Formula:

(1)

pH=- log10[H3O+]

Where [H3O+] is the concentration of the acidic ion.

(2)

pOH=-log10[OH-]

Where [OH-] is the concentration of the basic ion.

(3) 

pH+pOH=14

At the Standard conditions, the sum of pH and pOH of the solution is equal to 14.

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