51. The OH concentration of a solution is 4.3 × 10-¹0 M. What is the pH?A) -9.37B) 9.37C) -4.63D) 4.63E) 13.452. If the K₂ of an acid is 1.38 x 10-7, what is the pk₂?A) 6.86B) 7.14C) 8.68D) 10.7E) 1.3853. The conjugate base of H₂PO4-¹ is:A) H₂PO4B) HIPOC) HPOD) HPO.E) PO

Answered: 51. The OH concentration of a solution…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

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51. The OH concentration of a solution is 4.3 × 10-¹0 M. What is the pH?
A) -9.37
B) 9.37
C) -4.63
D) 4.63
E) 13.4
52. If the K₂ of an acid is 1.38 x 10-7, what is the pk₂?
A) 6.86
B) 7.14
C) 8.68
D) 10.7
E) 1.38
53. The conjugate base of H₂PO4-¹ is:
A) H₂PO4
B) HIPO
C) HPO
D) HPO.
E) PO

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The pH scale is used to define the acidity or basicity of an aqueous solution. pH has historically stood for "potential of hydrogen" (or "power of hydrogen"). Lower pH values are recorded for acidic solutions (solutions with higher H+ ion concentrations) than for basic or alkaline solutions.

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