Answered: Calculate the pH of a solution…

Calculate the pH of a solution containing 0.085 M nitrousacid (HNO2, Ka = 4.5 x 10-4) and 0.10 M potassium nitrite(KNO2).

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria

Section: Chapter Questions

Problem 14PS: What must the ratio of H2PO4 to HPO42 be to have a buffer with a pH value of 7.00?

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Question

Calculate the pH of a solution containing 0.085 M nitrous
acid (HNO₂, Ka = 4.5 x 10^-4) and 0.10 M potassium nitrite
(KNO₂).

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