Phosphate buffer system DIRECTION: Read the following statement/question carefully and answer brieflyand precisely. Use a separate sheet of properly labeled paper with your name,course, year level, and date for your answers.1. Another phosphate buffer system known as the Phosphate buffer systemoperates in the internal fluids of all cells. This buffer solution is composed ofdihydrogen phosphate ion (HPO4), a weak acid, and hydrogen phosphate ion(H2PO42-), as its conjugate base. Draw an illustration of the mechanism ofaction of this buffer system when:a. A strong acid (which produces H30*) is added to the buffer.b. A strong base (which produces OH-) is added to the buffer.

Buffer is a solution that tends to resist the change in pH of solution when small amount of acid or…

Answered: Another phosphate buffer system known…

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 18.103QE

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Write the chemical equilibrium and expression for the equilibrium constants for the ionization of (a) tartaric acid. (b) malic acid.
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When aluminum foil is placed in hydrochloric acid, nothing happens for the first 30 seconds or so. This is followed by vigorous bubbling and the eventual disappearance of the foil. Explain these observations.
Use the equation in Exercise 79 to determine H and S for the autoionization of water: H2O(l)H+(aq)+OH-(aq) T(C) KW 0 1.141015 25 1.001014 35 2.091014 40. 2.921014 50. 5.471014
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Consider the following equilibrium using LeChatelier’s Principle – note the colors: Co(H2O)62+ (aq) + 4Cl– (aq) ⟷ CoCl42– (aq) + 6H2O (l) Pink Blue What color will the solution turn if the following stresses are applied and why? HCl (aq) is added. CoCl42– is removed. Pb2+ is added to the system. Lead reacts with chloride ions to form solid PbCl2. The solution turns pink when the solution is heated and turns back blue when placed in an ice bath. Based on this information, on which side of the reaction arrow does the word "heat" belong?
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