A chemistry graduate student is given 300. mL of a 1.70M pyridine (CH,N) solution. Pyridine is a weak base with K, =1.7x 10. What mass of CH NHB should the student dissolve In the CH N solutlon to turn It Into a buffer with pH =5.187 You may assume that the volume of the solution doesn't change when the C.H NHBR Is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits.

A chemistry graduate student is given 300. mL of a 1.70M pyridine (CH,N) solution. Pyridine is a weak base with K, =1.7x 10. What mass of CH NHB should the student dissolve In the CH N solutlon to turn It Into a buffer with pH =5.187 You may assume that the volume of the solution doesn't change when the C.H NHBR Is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits.

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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