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or 500.0 mLmL of a buffer solution that is 0.165 M� in CH3CH2NH2CH3CH2NH2 and 0.100 M� in CH3CH2NH3ClCH3CH2NH3Cl, calculate the initial pHpH and the final pHpH after adding 1.8×10−2 molmol of HClHCl. ( Kb(CH3CH2NH2)=5.6×10−4�b(CH3CH2NH2)=5.6×10−4.)   Express your answers using two decimal places separated by a comma.   pHinitial,pHfinal =

or 500.0 mLmL of a buffer solution that is 0.165 M� in CH3CH2NH2CH3CH2NH2 and 0.100 M� in CH3CH2NH3ClCH3CH2NH3Cl, calculate the initial pHpH and the final pHpH after adding 1.8×10−2 molmol of HClHCl. ( Kb(CH3CH2NH2)=5.6×10−4�b(CH3CH2NH2)=5.6×10−4.)   Express your answers using two decimal places separated by a comma.   pHinitial,pHfinal =

Chemistry & Chemical Reactivity
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
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section17.2: Controlling Ph: Buffer Solutions
Problem 2RC: 2. If an acetic acid/sodium acetate buffer solution is prepared from 100. mL of 0.10 M acetic acid...
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For 500.0 mLmL of a buffer solution that is 0.165 M� in CH3CH2NH2CH3CH2NH2 and 0.100 M� in CH3CH2NH3ClCH3CH2NH3Cl, calculate the initial pHpH and the final pHpH after adding 1.8×10−2 molmol of HClHCl. ( Kb(CH3CH2NH2)=5.6×10−4�b(CH3CH2NH2)=5.6×10−4.)

 

Express your answers using two decimal places separated by a comma.

 

pHinitial,pHfinal =

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