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Garam  termasuk garam terhidrolisis bersifat asam,...

Garam begin mathsize 14px style Ag Cl end style termasuk garam terhidrolisis bersifat asam, maka pH garam begin mathsize 14px style Ag Cl end style 0,01 M, jika begin mathsize 14px style K subscript italic b space Ag O H equals 1 cross times 10 to the power of negative sign 6 end exponent end stylebegin mathsize 14px style K subscript italic w equals 10 to the power of negative sign 14 end exponent end style adalah ....

Jawaban:

Perhitungan pH garam tersebut adalah sebagai berikut.

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open square brackets H to the power of plus sign close square brackets end cell equals cell square root of K subscript italic w over K subscript italic b cross times open square brackets garam close square brackets end root end cell row blank equals cell square root of 10 to the power of negative sign 14 end exponent over 10 to the power of negative sign 6 end exponent cross times 10 to the power of negative sign 2 end exponent end root end cell row blank equals cell square root of 10 to the power of negative sign 10 end exponent end root end cell row blank equals cell 10 to the power of negative sign 5 end exponent end cell row blank blank blank row pH equals cell negative sign log space open square brackets H to the power of plus sign close square brackets end cell row blank equals cell negative sign log space 10 to the power of negative sign 5 end exponent end cell row blank equals 5 end table end style 


Jadi, nilai pH nya adalah 5.

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