Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter9: Atomic Absorption And Atomic Fluorescence Spectrometry
Section: Chapter Questions
Problem 9.22QAP: The chromium in an aqueous sample was determined by pipetting 10.0 ml. of the unknown into each of...
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Analyze the given parameters before ticking the right answer *
pOH = 3
[H+] = 4.2 x 10-3
[OH-] = 3.16 x 10-9
Blue litmus paper
remains blue
pH = 7.15 + log
[0.25]/[0.50]
pH = pka + log
[0.33]/[0.11]; (Ka =
6.3096 x 10-8)
[OH-] = 2.78 x 10-4
Blue litmus paper
changes to red
% ionization of 34
relative to pka value
A litmus paper
turning violet
ACIDIC
O
O
O
ο ο ο (
O
O
BASIC
O
ос
O
DO (
O
O
O
NEUTRAL
O
O
O
O
O](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8467aebd-e60c-4fe7-87e5-3c4db25ec0f6%2Fff5b592c-a1d4-4b16-9a05-f4c62c383937%2Fs14zgsq_processed.png&w=3840&q=75)
Transcribed Image Text:*
Analyze the given parameters before ticking the right answer *
pOH = 3
[H+] = 4.2 x 10-3
[OH-] = 3.16 x 10-9
Blue litmus paper
remains blue
pH = 7.15 + log
[0.25]/[0.50]
pH = pka + log
[0.33]/[0.11]; (Ka =
6.3096 x 10-8)
[OH-] = 2.78 x 10-4
Blue litmus paper
changes to red
% ionization of 34
relative to pka value
A litmus paper
turning violet
ACIDIC
O
O
O
ο ο ο (
O
O
BASIC
O
ос
O
DO (
O
O
O
NEUTRAL
O
O
O
O
O
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pH = 7.15 + log [0.25]/[0.50]
pH = pKa + log [0.33]/[0.11]; (Ka = 6.3096 x 10-8)
[OH-] = 2.78 x 10-4
% ionization of 34 relative to pKa value
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