Syre-base Flashcards

1
Q

K vand

A

14
[H3O+] * [OH-] = 1,0 * 10^-14 M^2]
-log (1,0 * 10^-14)=14

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2
Q

pH vand

A

-log(1,0 * 10^-7 M) = 7

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3
Q

pH

A

Koncentrationen af oxoniumioner eller hydrogenioner
pH = -log [H3O-]
pH = -log [H+]
[H+] = 10 ^ -pH

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4
Q

pOH

A

Koncentrationen af hydroxidioner
pOH = -log [OH-]

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5
Q

Sammenhæng mellem pH og pOH

A

pH+pOH = 14

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6
Q

Ks

A

Syrestyrkekonstant
Dissociering i vand
Stærk syre - svag base
([B] * [H3O+]) / [S] = Ks
Høj værdi stærk syre

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7
Q

pKs

A

Syrestyrkeeksponent
pKs = -log (Ks)
Lav værdi stærk syre

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8
Q

Kb

A

Basestyrkekonstant
Dissociering i vand
Kb = ([S] * [OH-]) / [B]
Høj værdi, stærk base

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