WorksheetsMolar Mass
Total questions: 20
Worksheet time: 49mins
What is the atomic number of Cl
35.5
17
6
Cl
What is the atomic MASS of Potassium (K)
31.9
19
84
209
Pb is the chemical symbol for what element?
Platinum
Phosphorus
Lead
Bronze
The molar mass of a single element is equal to its...
Atomic mass
Atomic number
Oxidation number
Valence electrons
How many particles are in a mole?
602
602 million
602 moles
6.022 x 1023
What is the definition for Avogadro's number?
number of grams per one mole of a substance
whole number ratio that is a multiple of a chemical formula
simplest, whole number ratio of a chemical formula
6.02 x 1023 particles per one mole of a substance
Which is the equation to calculate number of moles?
Add all the atomic masses of each element
Mass X Molar Mass
Molar Mass / Mass
Mass / Molar Mass
How do I calculate the molar mass of a compound?
It is always 6.02 x 1023
Find the atomic mass of every element in total and add them together
It is always 1
Number of moles x mass
What element has an atomic mass of 1.01?
Hydrogen
Helium
Carbon
Gold
What element has an atomic number of 28?
Calcium
Uranium
Argon
Nickel
Find the mass of 3.5 mols of NiCl2
558.6 g/mol
558.6 g
37.02 g/mol
37.02 g
What is the mass of .072 mols of FeCl3?
162.3 g
11.7 mols
11.7 g
11.7 g/mol
How many moles are in 2.35 g H2O?
0.13 mols
13 mols
1.3 mols
130 mols
What is the mass of .46 mols MgCl2?
4.4 g
440 g
.44 g
44 g
How many moles are in 106.3 g of Copper, Cu?
167 mols
1.673 mols
16.73 mols
.167 mols
When is your TEST over all of this?
Wednesday
Thursday
Friday
There is no test. Ha!
