Stepen disocijacije

Submitted by haris100 on Tue, 02/10/2015 - 01:05
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Opšta diskusija

Koliki je stepen disocijacije hipohloraste kiseline u 0,2M rastvoru (Kd= 5*10na-8)?

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milicaradenkovic - Tue, 02/10/2015 - 08:22

HClO------------->H+ + ClO-

K=(H+)*(ClO-)/(HClO)

K=c*alfa2/(1-alfa) 

5*10(-8)-5.10(-8)*alfa=0.2*alfa2

0.2*alfa2+5*10(-8)*alfa-5*10(-8)=0

alfa=0.0005=0.05%

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haris100 - Tue, 02/10/2015 - 13:50

hvalaa