Stoichiometry

Determine the correct mole ratio for

Oxygen (O2) to Carbon Dioxide (CO2):_____/_____

• 1:2

• 2:1

• 2:2

• 1:1

When answering stoichiometry exercises a first step is to review and ___________ the reaction if needed. In most stoichiometry problems you need to convert given quantities to moles. 

• Balance

• Transfer

• Salute

• Postpone

___   is the mole ratio needed to calculate the moles of Fe if you have Magnesium moles?

• 2 mol Fe: 3 mol Mg

• 2 mol Fe: 3 mol MgO

• 2 mol Fe2O3: 3 mol Mg

• 1 mol Fe: 2 mol Mg

___ moles of Hydrogen are produced when 0.035 moles of sodium reacted with water.

• 0.527 mol

• 0.025 mol

• 0.018 mol

• 0.003 mol

___ moles of C6H12O6 react with 8.0 moles of Oxygen to produce water

• 5.52 mol

• 3.25 mol

• 0.08 mol

• 1.33 mol

___   is the mole ratio of O and CO

• 3:1

• 1:2

• 1:5

• 1:1

If 3.15 moles of KClO3 decompose, how many grams of O2 are formed?

• 138g

• 151g

• 15g

• 368g

_______ grams of Aluminum Sulfate Al2(SO4)3 would be formed if 2.5 moles of H2SO4 reacts with aluminum.

• 285g

• 1.59g

• 560g

• 0.36g

How many moles of Oxygen would be required to produce 59.6g of SO3?

• 0.6 moles

• 0.2 moles

• 1.5 moles

• 0.4 moles

___1. Limiting reactants are consumed first in the chemical reaction. 

• True

• False