October 2018 1 24 Report

Mam pytanie;

jak zapisac pH z postaci;

[H+]=0,02 mol/dm3

czy moge zapisac jako;

pH= 2* 10^-2 ---->pH=4

czy musze zlogarytmowac;

pH= -log[H+] pH= -log[0,02]= 1,7

Bardzo proszę:)))


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