Calcul et Chimie

Calcul et Chimie

1st Grade

10 Qs

quiz-placeholder

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Calcul et Chimie

Calcul et Chimie

Assessment

Quiz

Chemistry

1st Grade

Practice Problem

Hard

Created by

Jérôme Guillon

Used 42+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Le symbole de la masse molaire est

M

m

CC

CmC_m

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

La masse molaire s'exprime en

gramme (g)

Newton(N)

gramme par mole (g/mol)

mole (mol)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

La masse molaire de l'oxyde de cuivre ( Cu2OCu_2O  ) est

40 g/mol

143 g/mol

95,5 g/mol

95,5

143

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Le symbole de la quantité de matière est

m

M

q

n

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

La quantité de matière s'exprime en

gramme (g)

Newton(N)

gramme par mole (g/mol)

mole (mol)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

la quantité de matière, la masse et la masse molaire d'un élément sont liés par la relation:

 n =m×Mn\ =m\times M  

 n = m×Mn\ =\ m\times M  

 n=mMn=\frac{m}{M}  

 M=n×mM=n\times m  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

La concentration molaire d'une solution se calcule à l'aide de la relation suivante:

 Cm =nVC_m\ =\frac{n}{V}  

 C=MVC=\frac{M}{V}  

 Cm=mVC_m=\frac{m}{V}  

 C=nVC=\frac{n}{V}  

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