WorksheetsQuiz: Particles, Moles and Molar Mass
Total questions: 9
Worksheet time: 5mins
Name
Class
Date
1.
For mass to mole conversions, which is the correct conversion factor?
a)
22.4 L/mol
b)
6.02 e23
c)
Molar Mass
d)
Multiply by 100
2.
For representative particles (atoms, molecules, formula units, etc.) to mole conversions, which is the correct conversion factor?
a)
22.4 L/mol
b)
6.02 e23
c)
Molar Mass
d)
Multiply by 100
3.
To calculate the molar mass of a substance:
a)
multiply mass by molar mass.
b)
Use molar masses of elements from the periodic table
c)
grams/mole
d)
divide mass by molar mass.
4.
What is a Mole?
a)
the conditions under which a volume of a gas is usually measured; standard temperature is 0 degrees C, and standard pressure is 101.3 kPa, or 1 atmosphere (1 atm)
b)
the percent by mass of each element in a compound
c)
the amount of a substance that contains 6.02 x 10²³ representative particles of that substance
d)
equal volumes of gases at the same temperature and pressure contain equal numbers of particles
5.
What is the molar mass of Carbon?
a)
6.02 g/mol
b)
16.00 g/mol
c)
14.01 g/mol
d)
12.01 g/mol
6.
What is the molar mass of H₂0
a)
17.01 g/mol
b)
33.01 g/mol
c)
18.02 g/mol
d)
2.00 g/mol
7.
How many moles in 32 grams of O₂
a)
2 moles
b)
1 mole
c)
0.5 mole
d)
3 moles
8.
How many moles are in 2.00 grams of H₂O?
a)
1.11 moles
b)
0.111 moles
c)
36 moles
d)
9 moles
9.
One mol of potassium has a mass of ________.
a)
6.022 × 10 ²³g
b)
30.98 g
c)
19.00 g
d)
39.10 g
100 %
