1)
oblicz pH roztworu kwasu octowego o stezeniu 0,13 mol/dm 3 ,jezeli stopien dysocjacji tego kwasu wynosi 1,3%
CH3COOH --------> CH3COO [-] + H [+]
C= 0,13mol/dm3
α=1,3%
[H+]= α*C
[H+]= 0,013*0,13
[H+]= 0,00169 mol/dm3
pH= -log[H+]
pH= -log0,00169
pH= 2,77
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CH3COOH --------> CH3COO [-] + H [+]
C= 0,13mol/dm3
α=1,3%
[H+]= α*C
[H+]= 0,013*0,13
[H+]= 0,00169 mol/dm3
pH= -log[H+]
pH= -log0,00169
pH= 2,77