Erwin Harahap

do Now or Never

Contoh soal logaritma dalam kehidupan sehari-hari

Posted by Erwin on September 12, 2015

Contoh soal logaritma:

Tentukan pH larutan jika kosentrasi ion H+ sebesar latex$1*10^-3$

Jawab.

latex$[H^+]=1*10^-3$

pH = latex$-log(1*10^-3)$
= (-3)*-log10
= 3

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