Stoichiometry

How many particles are in 13.5 grams of Beryllium?

12.00 moles of NaClO₃ will produce how many grams of O₂? Options: 256 g of O₂, 576 g of O₂, 288 g O₂

B₂H₆ + 3O₂ --> 2 HBO₂ + 2 H₂O
What mass of O₂ will be needed to burn 36.1 g of B₂H₆?

2CO + O₂ → 2CO₂
How many liters of carbon dioxide are produced from 10L of carbon monoxide?

In a lab, a scientist calculates he should produce 12.3 grams of product in his experiment. When he is finished collecting his product it weighs 10.1 grams. What is his percent yield?

When 12 moles of O₂ reacts with 1.1 mole of C₁₀H₈, what is the limiting reactant? C₁₀H₈ + 12 O₂ --> 10 CO₂ + 4 H₂O

4 Al + 3 O₂ –> 2 Al₂O₃ How much aluminum is needed to react with 45 grams of O₂?

What is the percent yield of the reaction if 145g of P₂O₅ reacts with 40 grams of water, but you only collected 112 grams of phosphoric acid? 3 H₂O + P₂O₅ → 2H₃PO₄

2Al + 3H₂SO₄ -> Al₂(SO₄)₃ + 3H₂
How many grams of aluminum sulfate would be formed if 250g H₂SO₄ completely reacted with aluminum? Options: 0.85 g, 290 g, 450 g, 870 g

How many liters of NH₃ are needed to react completely with 30.0L of NO?
4NH₃+6NO --> 5N₂ + 6H₂O
Options: 5.0 L, 20.0 L, 7.5 L, 120.0 L