pH = –lg[H+]
[H+]•[OH–] = 10–14
[H+] = 10–14/[ОH–] = 10–14/5•10–6= 0,2•10–8
pH = –lg[H+] = –lg0,2•10–8= 8– lg0,2
pH = –lg[H+]
[H+]•[OH–] = 10–14
[H+] = 10–14/[ОH–] = 10–14/5•10–6= 0,2•10–8
pH = –lg[H+] = –lg0,2•10–8= 8– lg0,2