Pertanyaan

Larutan asam klorida dengan pH = 1 akan berubah menjadi pH = 2 jika diencerkan sebanyak ...

N. Puspita

Master Teacher

Jawaban terverifikasi

Jawaban

pengenceran dilakukan sebanyak 10 kali.

Pembahasan

Larutan HCl awal: Larutan HCl akhir: Maka, Jadi, pengenceran dilakukan sebanyak 10 kali.

Larutan HCl awal:

Error converting from MathML to accessible text.

Larutan HCl akhir:

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell pH space end cell equals cell space minus sign space log space open square brackets H to the power of plus sign close square brackets end cell row cell 2 space end cell equals cell space minus sign space log space open square brackets H to the power of plus sign close square brackets end cell row cell open square brackets H to the power of plus sign close square brackets space end cell equals cell space 10 to the power of negative sign 2 end exponent end cell row cell open square brackets H Cl close square brackets space awal space end cell equals cell space fraction numerator open square brackets H to the power of plus sign close square brackets over denominator valensi space asam end fraction end cell row blank equals cell 10 to the power of negative sign 2 end exponent over 1 equals 10 to the power of negative sign 2 end exponent space M end cell end table end style$

Maka,

Jadi, pengenceran dilakukan sebanyak 10 kali.