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1 7. Routine analysis of a water sample provides the following concentrations (in M). a) What is the ionic strength of the sampled water? Mg Na HCO SO₂² cr Ion mg 93.9 22.9 85 9.0 6.36x10-5 FW g mol 40.078 24.305 22.9898 61.017 96.064 35.453 1.00794 M (mol L-¹) 2.34×10 9.42×104 8.31×104 5.64x10 8.85×104 2.54×104 6.31*10* Note that at pH = 7.20, [H] = 102 mol L' and [OH-] = 1068, so neither contributes significantly to the charge- balance, or the ionic strength. 1-ΣΜ7.

1 7. Routine analysis of a water sample provides the following concentrations (in M). a) What is the ionic strength of the sampled water? Mg Na HCO SO₂² cr Ion mg 93.9 22.9 85 9.0 6.36x10-5 FW g mol 40.078 24.305 22.9898 61.017 96.064 35.453 1.00794 M (mol L-¹) 2.34×10 9.42×104 8.31×104 5.64x10 8.85×104 2.54×104 6.31*10* Note that at pH = 7.20, [H] = 102 mol L' and [OH-] = 1068, so neither contributes significantly to the charge- balance, or the ionic strength. 1-ΣΜ7.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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7. Routine analysis of a water sample provides the following concentrations (in M). a) What is the ionic strength of the sampled water? Ion Mg Na HCO SO₂² H mg L-¹ 93.9 22.9 85 6.36x10-5 FW g mol 40.078 24.305 22.9898 61.017 96.064 35.453 1.00794 M (mol L-¹) 2.34×10*³ 9.42×104 8.31x10+ 5.64x10 8.85×104 2.54×104 6.31×10* -1 Note that at pH = 7.20, [H] = 102 mol L¹ and [OH-] = 1068, so neither contributes significantly to the charge- balance, or the ionic strength. | = 1-+MZ
Transcribed Image Text:7. Routine analysis of a water sample provides the following concentrations (in M). a) What is the ionic strength of the sampled water? Ion Mg Na HCO SO₂² H mg L-¹ 93.9 22.9 85 6.36x10-5 FW g mol 40.078 24.305 22.9898 61.017 96.064 35.453 1.00794 M (mol L-¹) 2.34×10*³ 9.42×104 8.31x10+ 5.64x10 8.85×104 2.54×104 6.31×10* -1 Note that at pH = 7.20, [H] = 102 mol L¹ and [OH-] = 1068, so neither contributes significantly to the charge- balance, or the ionic strength. | = 1-+MZ
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