Molar Mass
Moles
Number of Particles
Miscellaneous
Chemistry Trivia
100
According to S.I. the system, ______ was used to measure the amount of substance.
Mole
100
A solution has 25% w/w solution of Sodium Chloride in 10 grams of water what is the mole fraction of Sodium Chloride?
0.07
100
Calculate the number of atoms in 48 g of Mg.
100
Consider the following four samples:
50g of potassium
50g of lithium
50g of magnesium
50g of chlorine gas
Which of the given samples contains the most atoms?
Lithium
100
If you get the following question correct, the amount of points you get will be deducted to the group of your choice.
What is the name of the process which separates crude oil into simpler mixtures of hydrocarbon compounds?
Distillation
200
If one mole of ammonia contains “y” number of particles, then how many particles do 1 mole of glucose contain?
Y
200
How many grams of NaCl represent 1 mole?
58.5
200
The number of atoms present in 92 amu of Na is:
Na/23 x 92
200
What do moles allow scientist to calculate?
The mole allows scientists to calculate the number of elementary entities in a certain mass of a given substance.
200
The barometer was invented by
Torricelli
300
What's the number of entities or particles together in mole concept known as?
Avogadro's number
300
How many moles of Al2(SO4)3 would be in 50g of the substance?
0.140mol
300
Calculate the number of atoms present in 71g of Cl2
atoms
300
FREE 300
FREE 300
300
Which is the only metal liquid at room temperature?
Mercury
400
What is the atomic mass of Boron?
10.8
400
Calculate the number of moles of helium present in 52g of Helium.
13
400
The number of molecules of SO2 present in 64g of SO2 is:
400
What is the atomic number of Helium
2
400
Which is the only letter not present at the periodic table?
J
500
If in a compound the moles of consisting atoms are doubled then the mole fraction of a particular atom will be
Double
500
What are the number of moles of Hydrogen in 158 grams of Ammonium Bicarbonate?
10
500
The number of molecules of H2O in 90 g of water is?
500
Which of the following is the formula for propane?
C3H8
500
What is the most abundant element in the universe?
Hint: It is also the lightest element
Hydrogen