A chemistry graduate student is glven 250. mL of a 0.80M pyridine (C,H,N) solutlon. Pyridine Is a weak base with K =1.7 x 10. What mass of CH NHCI should the student dissolve in the C,H-N solution to turn It into a buffer with pH =5.43? You may assume that the volume of the solution doesn't change when the C.H.NHCI is dissolved in It. Be sure your answer has a unit symbol, and round it to 2 significant digits. do
A chemistry graduate student is glven 250. mL of a 0.80M pyridine (C,H,N) solutlon. Pyridine Is a weak base with K =1.7 x 10. What mass of CH NHCI should the student dissolve in the C,H-N solution to turn It into a buffer with pH =5.43? You may assume that the volume of the solution doesn't change when the C.H.NHCI is dissolved in It. Be sure your answer has a unit symbol, and round it to 2 significant digits. do
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Chapter17: Solubility And Complex-ion Equilibria
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Problem 17.97QP: A saturated solution of copper(II) iodate in pure water has a copper-ion concentration of 2.7 103...
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Transcribed Image Text:A chemistry graduate student is given 250. mL of a 0.80M pyridine (C.H.N) solution. Pyridine Is a weak base with K, = 1.7x10. What mass of
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9.
C-H-NHCI should the student dissolve in the C.H.N solution to turn it into a buffer with pH =5.437?
You may assume that the volume of the solution doesn't change when the C_H.NHCI 1s dissolved in it. Be sure your answer has a unit symbol, and round it to
5 51
2 significant digits.
do
Ar
x10
Explanation
Check
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