The mole
S3-Q5- Mole concept and titration

Quiz
•
Chemistry
•
12th Grade
•
Medium
AHMED AMROUSSY
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
is the quantity of matter That contains Avogadro's number of particles
is the sum of atomic masses of the molecules expressed in gm
always contains equal number of atoms and ions
Occupies a volume of 22.4 L at STP of any matter whatever its physical state
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Numbers of atoms in 2 moles of sodium hydroxide is equal to -------
6.02x1023
2x 6.02x1023
6x6.02x1023
3x6.02x1023
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If we have 2 moles of water then which of the following is correct [H=1; O=16]
The total mass is 18 gm
the total volume is 44.8 Liters at STP
The total number of molecules is 12.04x1023 molecules
The total number of atoms is 12.04x6.02x1023 atoms
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
what is the mass of calcium sulphate CaSO4 , that should be added to 200 ml of water to prepare 2 molar solution ?
54.4gm
54400gm
35.2gm
27.2gm
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If you know that the atomic mass of the Phosphorus P=31 u , then the molar mass of the phosphorus in the vapour state is --------
31 u
31g/mol
124 u
124 g/mol
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
1 mole of lime water contains all the following except ------------
6.02x1023 molecules
1.204x1024 hydroxide radicals
12.04x1023 ions of oxygen
12.04x1023 atoms of oxygen
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The mass of 0.1 mol of sodium hydroxide is equal to --------
[Na=23; O=16; H=1]
0.04g
0.4g
4g
40g
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