Stoichiometry Lesson

Which of the balancing strategies would you use to balance this equation?

• Strategy 1: Put a 1 in front of the most complicated looking reactant or product.

• Strategy 2: Save any element that appears in more than 1 product or reactant until last.

• Strategy 3: Balance groups of atoms together

What is the mole ratio between candle wax (C₃₆H₇₄) and carbon dioxide (CO₂)

• 1 mol wax : 1 mol CO₂

• 1 mol wax : 36 mol CO₂

• 1 mol wax : 37 mol CO₂

• 1 mol wax : 54.5 mol CO₂

How many molecules are in one mole of any substance?

• 
• 500 molecule/mole

• 144 molecules/mole

• 12 molecules/mol

How many moles of steam, H₂O(g), are produced from 6.24 moles of oxygen gas, O₂(g)?

• 2.50 moles

• 6.24 moles

• 12.5 moles

• 15.6 moles

What is the mole ratio of sugar (C₁₂H₂₂O₁₁) to carbon dioxide (CO₂) gas in the balanced chemical equation?

• 8 mol sugar:12 mol CO₂

• 1 mol sugar:11 mol CO₂

• 1 mol sugar:12 mol CO₂

• 8 mol sugar:8 mol CO₂