sabato 21 aprile 2012

PH delle piscine

ESERCIZI pH

[H+] [OH-]
pH
pOH
Acida, basica o neutra ?
1,0 x 10-2 M
1,0*10^-12
2
12 acida
1,0 * 10^-13
1,0 * 10^-1
13,00
1 basica
0,67*10^11
1,5 x 10-2 M
12,2
1,8 basica
1,0*10^-7
1,0*10^-7
7,00
7,00
neutra

Le formule che ho utilizzato sono: …….

pH = –log [H+]              [H+] = kw/[OH-]

pOH= 14 -pH      

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