A chemistry graduate student is given 450. mL of a 1.30M nitrous acid (HNO₂) solution. Nitrous acid is a weak acid with K₁=4.5 x 10. What mass of KNO₂ should the student dissolve in the HNO₂ solution to turn it into a buffer with pH = 3.69? You may assume that the volume of the solution doesn't change when the KNO₂ is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. S 5 E 0
A chemistry graduate student is given 450. mL of a 1.30M nitrous acid (HNO₂) solution. Nitrous acid is a weak acid with K₁=4.5 x 10. What mass of KNO₂ should the student dissolve in the HNO₂ solution to turn it into a buffer with pH = 3.69? You may assume that the volume of the solution doesn't change when the KNO₂ is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. S 5 E 0
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
Problem 111QRT: Consider the nanoscale-level representations for Question 111 of the titration of the aqueous strong...
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