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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: Principles and Practice
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
Chapter16: Reactions Between Acids And Bases
Section: Chapter Questions
Problem 16.78QE
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A chemistry graduate student is given 300. mL of a 1.70M pyridine (C.H.N) solution. Pyridine Is a weak base with K,=1.7× 10°. What mass of -9 5*5 C H NHBR should the student dissolve in the C.H.N solution 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 5-5 2 significant digits. dlo Ar x10 Explanation Check 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy Accessibility 3:2 hp Ce esc & # 2$ 7 9. 1 2 00
Transcribed Image Text:A chemistry graduate student is given 300. mL of a 1.70M pyridine (C.H.N) solution. Pyridine Is a weak base with K,=1.7× 10°. What mass of -9 5*5 C H NHBR should the student dissolve in the C.H.N solution 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 5-5 2 significant digits. dlo Ar x10 Explanation Check 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy Accessibility 3:2 hp Ce esc & # 2$ 7 9. 1 2 00
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