Odpowiedź:
Wyjaśnienie:
Dane: Szukane:
α = 2,4*10⁻³% = 2,4*10⁻⁵ pH = ?
C=0,5mol/dm3
α = Czdys/C
Czdys=[H+] = α * C
[H+] = 2,4*10⁻⁵ *5*10⁻¹ = 12*10⁻⁶ = 1,2 *10⁻⁵
pH = -log[H+] = 4,9
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Odpowiedź:
Wyjaśnienie:
Dane: Szukane:
α = 2,4*10⁻³% = 2,4*10⁻⁵ pH = ?
C=0,5mol/dm3
α = Czdys/C
Czdys=[H+] = α * C
[H+] = 2,4*10⁻⁵ *5*10⁻¹ = 12*10⁻⁶ = 1,2 *10⁻⁵
pH = -log[H+] = 4,9