Stoichiometry Day 1 Chemistry

​

Multiple Choice

Using the following equation:
Fe₂O₃(s) + 3H₂(g) → 2Fe(s) + 3H₂O(l)
How many moles of iron can be made from  6 moles H₂? 

• 4 moles Fe

• 6 moles Fe

• 9 moles Fe

• 2 moles Fe

Multiple Choice

N₂ +  3H₂ → 2NH₃ 
How many moles of hydrogen are needed to react with 2 moles of nitrogen?

• 6 mol H

• 2 mol H

• 3 mol H

• 1 mol H

Multiple Choice

2H₂   +   O₂  →  2H₂O
How many moles of water can be produced if 8 moles H₂ are used?

• 4 moles

• 8 moles

• 16 moles

• 2 moles

Multiple Choice

CH4   +   4 Cl2   →   CCl4  +  4 HCl

If we have 12 moles of HCl come out of the reaction, how many moles of CH4 had to go in to the reaction?

• 1

• 3

• 4

• 12

Multiple Choice

How many atoms or compounds are in a mole?

• 62 x 10^23

• 6 x 10^23

• 6 x 10^21

• 8 x 10^23

Multiple Choice

How many total compounds are in 4 moles of a specific compound?

• 6 x 10^23

• 12 x 10^23

• 18 x 10^23

• 24 x 10^23