A solution contains 0.675 g of ethylamine, CH;NH2, per 100 mL of solution. Electrical conductivity measurements at 20 °C show that 70% of the ethylamine has reacted with water to produce the conjugate acid. Write the equation for this reaction. Calculate the pH of the solution. M.wt = 45.1 g/mole.

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
Chapter16: Principles Of Chemical Reactivity: The Chemistry Of Acids And Bases
Section16.8: Polyprotic Acids And Bases
Problem 1RC: Hydrazine (N2H4) is like CO32 in that it is a polyprotic base (Kb1 = 85 107 and Kb2 = 8.9 1016)....
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A solution contains 0.675 g of ethylamine, CH;NH2, per 100 mL of
solution. Electrical conductivity measurements at 20 °C show that 70% of the
ethylamine has reacted with water to produce the conjugate acid. Write the
equation for this reaction. Calculate the pH of the solution. M.wt = 45.1 g/mole.
Transcribed Image Text:A solution contains 0.675 g of ethylamine, CH;NH2, per 100 mL of solution. Electrical conductivity measurements at 20 °C show that 70% of the ethylamine has reacted with water to produce the conjugate acid. Write the equation for this reaction. Calculate the pH of the solution. M.wt = 45.1 g/mole.
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