analyse CHIMIQUE d'un système chimique (suite) Flashcards

1
Q

La réaction support du dosage, entre A et B, doit être

A

totale, rapide, spécifique et observable

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2
Q

L’équivalence est

A

le changement de réactif limitant

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3
Q

Equivalence quand

A

nA/a = nB/b

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4
Q

titrage pHmétrique uniquement

A

pour titrer un acide ou une base

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5
Q

titrage conductimétrique uniqement

A

lorsqu’une espèce ionique est impliquée

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6
Q

(titrage pHmétrique) Equivalence quand

A

changement brutal du pH

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7
Q

(titrage conductimétrique) Equivalence quand

A

changement de pente de la courbe

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8
Q

acide chlorydrique

A

HCl

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9
Q

soude/ hydroxyde de sodium

A

NaOH

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10
Q

HCl =

A

H3O+ + Cl-

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11
Q

NaOH =

A

Na+ + OH-

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12
Q

HCl

A

acide chlorydrique

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13
Q

NaOH

A

soude/ hydroxyde de sodium

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