physique chimie formule Flashcards

1
Q

la quantité de matière : n

A

n = m/M
n= mol
m= masse en G
M= masse molaire en g.mol -1

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2
Q

la concentration massique

A

cm= m/V
cm= g.L-1
m= G
v= volume L

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3
Q

la concentration molaire C

A

C = n/V
n= mol
C= mol.L-1
V= volume L

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4
Q

le facteur de dilution F

A

F = cmère/cfille ou F=Vfille/Vmère
F= facteur de dilution
c= mol.L-1
v=volume V

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