chapitre 2 moles et concentration Flashcards

1
Q

n

A

QUANTITÉ DE MATIÈRE ( nombre de moles ) en mol

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2
Q

N

A

nombre d’unités ou d’entités

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3
Q

Na

A

nombre d’avogadro
6,02*10^23 mol

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4
Q

masse molaire

A

masse d’1 mole d’éspèce chimique en g/mol (M)

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5
Q

concentration massique

A

Cm
masse de soluté dissoute dans 1 litre de solution
g/L

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6
Q

concentration molaire

A

C
quantité de matière d’un soluté dissous dans 1 litre de solution
en mol/L

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7
Q

n formule

A

n= N/Na
= N/6,02*10^23

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8
Q

formule de m

A

m = n*M

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9
Q

formule de ro p

A

p=m/V

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10
Q

concentration massique formule

A

Cm=m/Vsolution

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