Moles Quiz

Molar Mass

100

The molar mass of Oxygen

16 g/mol

200

The molar mass of CO₂

44 g/mol

300

The molar mass of Ca₃N₂

148 g/mol

400

The molar mass of C₆H₁₂O₆

180 g/mol

500

The molar mass of Mg₃(PO₄)₃

357 g/mol

Converting to Moles and Molecules

100

The moles in 16 g of Oxygen

1 mole

200

Moles in 88 g of CO₂​​​​

2 moles 

300

Molecules in 1 mole of CO₂

6x10²³ molecules

400

Molecules in 32 g of Oxygen

1.2x10²⁴ molecules 

500

Atoms in 22 grams of CO₂

3x10²³ atoms 

Converting with mole ratio

100

Moles of Oxygen in 2 moles of CO₂

4 moles

200

Moles of H in 1 mole of CH₂

2 moles 

300

Moles of C in 3 moles of C₆H₁₂O₆

18 moles 

400

Grams of Oxygen in 88 grams of CO₂

64 g CO₂

500

Grams of Hydrogen in 64 g of H₂O 

8 grams H 

Empirical/Molecular

400

Molecular formula for empirical formula of CH₄ with molar mass of 32g/mol

C₂H₈

500

Empirical formula for compound that is 40% C, 6.7% H, and 53.3% O 

CH₂O

Percent Composition

100

Formula for Percent Composition 

(mass/total mass)x100

200

Percent mass of C in CO₂

27%

300

Percent mass of N in HCN 

52%