Mole Conversions
Molar mass Calculations
% Composition
Definitions
Random Bonus
100

How many moles are in 1.2 x 1024 ions of BrO?

2 moles

100

Solve for the molar mass of N2

28 g/mol

100

What is the % composition of Na in NaCl?

39% Na

100

What is a mole?

The SI unit measurement for the number of particles in a substance. 

100

Convert 7 moles of C8H10N4O2 into molecules

4.2 x 1024 Molecules 

200

How many moles are in 25 L of Cl2 Gas?

1.12 Moles 

200

Solve for the molar mass of NaCl

58.5 g/mol

200

What is the mass % of Cl in NaCl? 

61% Cl

200

What is an empirical formula?

The simplest ratio of atoms for a chemical formula. 

200

What is the molar mass of the compound C8H10N4O2?

194 g/mol

300

How many Liters of Fluorine gas are in 3 moles?

67.2 L

300

What is the molar mass of Al2O3?

102 g/mol

300

What is the mass percent of N in Na3N?

16.9 % N

300

What is volume?

The amount of space a substance occupies. 

300

What is the mass composition H in the compound C8H10N4O2?

5% H

400

How many H2O molecules are in 3.5 moles of H2O?

2.1 x 10 24 Molecules 

400

What is the molar mass of Na3N?

83 g/mol

400

What is the mass percent of oxygen in Al2O3?

47% Oxygen 

400

What are the 3 types of particles? 

Atoms Ions Molecules 

400

What is the mass composition N in the compound C8H10N4O2?

28.9% N

500

How many molecules of CCl4 gas are in 25L?

6.7 x 1023 Molecules 

500

What is the molar mass of Al2(SO4)3?

342 g/mol

500

What is the mass percent of S in Al2(SO4)3?

28% S

500

What is avogadros number?

6 x 1023 particles per mole 

500

Write the compound C8H10N4Oin empirical form

C4H5N2O

M
e
n
u