PH IN POH Flashcards

1
Q

KDAJ JE OKOLJE KISLO?

A

0-7

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2
Q

KDAJ JE OKOLJE BAZICNO?

A

7-14

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3
Q

KDAJ JE OKOLJE NEVTRALNO?

A

ph = 7

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4
Q

KAKO IZRACUNAMO PH IN POH?

A

PH + POH = 14

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5
Q

KATERE INDIKATORJE POZNAMO?

A

1) LAKMUS
2) FENOLFTALEIN
3) METILORANZ

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6
Q

KAKSEN JE LAKMUS PO BRAVI V MOCNO KISLEM IN MOCNO BAZICNEM OKOLJU?

A

1) MOCNO KISLEM: rdece
2) MOCNO BAZICNEM: modro

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7
Q

KAKSEN JE FENOLFTALEIN PO BRAVI V MOCNO KISLEM IN MOCNO BAZICNEM OKOLJU?

A

MOCNO KISLEM: brez barve
MOCNO BAZICEN: vijolicen

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8
Q

KAKSEN JE METILORANZ PO BRAVI V MOCNO KISLEM IN MOCNO BAZICNEM OKOLJU?

A

1) MOCNO KISLEM: rdece
3) MOCNO BAZICNEM: rumeno

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9
Q

KAJ PREDSTAVLJA PH? KAKO SE NAPISE:

A

NEGATIVNI DESETISKI LOGARITEM KONCENTRACIJE OKAONIJEVIH IONOV

pH= - log [ H3O + ]

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10
Q

KAJ PREDTAVLJA POH? KAKO SE NAPISE?

A

JE NEGATIVNI DESETISKI LOGARITEM KONCENTRACIJE HIDROKSIDNIH IONOV

pOH= - log [ OH- ]

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