Les PH, POH (5) Flashcards

1
Q

C’est quoi le K eau (constante de dissociation)

A

K eau= [OH-]e x [H3O+] e= 1,00 x 10^-14
10^-7 10^-7

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2
Q

Formule du PH (2)

A

PH= -log [H3O+]e

[H3O+]e= 10^-pH

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3
Q

Formule du pOH (2)

A

pOH= -log [OH-]e

[OH-]e = 10^-pOH

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4
Q

Les 3 relations importantes pour les pH, pOH, et []

A

1) [H3O+]e [OH-]e= 1,00 x 10^-14

2) 10^-pH x 10^-pOH = 1,00 x 10^-14

3) pH+pOH= 14

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5
Q

Les 3 type de milieu possible

A

1) milieu neutre pH=pOH=7 et les 2 concentration sont = à 10^-7
2) milieu acide pH < 7 et pOH > 7
3) milieu basique pH> 7 et pOH < 7

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