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Nilai pH suatu Larutan

Nilai pH suatu Larutan

Assessment

Presentation

•

Chemistry

•

11th Grade

•

Hard

Created by

Raden Hastuti

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3 Slides • 0 Questions

1

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Perhitungan Nilai pH Larutan

by R. Sriwahyuni Hastuti, ST, M.Si

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​Nilai pH suatu larutan didasarkan :

​Banyaknya ion H+

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pH = - log [H]+

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pOH = - log [OH]-

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pKw = pH + pOH

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Hubungan antara pH dengan pOH adalah

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*Pada suhu 25oC, pKw = 14, jadi pH + pOH = 14.

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[OH–] = Mb. Valensi Basa

 

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Basa Kuat

 

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Basa Lemah

 

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Asam Lemah

 

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Asam Kuat

 

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[H+] = Ma. Valensi Asam

 

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1. Larutan bersifat netral, jika [H+] = [OH–] atau pH = pOH = 7

​2. Larutan bersifat asam, jika [H+] > [OH–] atau pH < 7

3.  Larutan bersifat basa, jika [H+] < [OH–] atau pH > 7

Macam - Macam Sifat Larutan :​

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pattern-tertiary
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Perhitungan Nilai pH Larutan

by R. Sriwahyuni Hastuti, ST, M.Si

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