Stoichiometry Calculations

P₄ + 3O₂ --> P₄O₆ 
What is the limiting reactant is 12 moles of P₄ react with 15 moles of O₂?

• P₄

• O₂

• P₄O₆ 

• none of the above

Tags

NGSS.HS-PS1-7

When does a chemical reaction stop?

• When the lab is finished

• When the excess reactant is used up

• When the limiting reactant is used up

• Chemical reactions never stop

Using the question & equation, what should go in the blank?

Using the question & equation, what should go into the missing blank?

• 16 g O₂

• 32 g O₂

• 10 mols O₂

Tags

NGSS.HS-PS1-7

Using the question & equation, what should go in the blank?

• 8 mols H₂O

• 1 mol H₂O

• 18.02 g H₂O

• 144.16 g H₂O

Tags

NGSS.HS-PS1-7

Using the question & equation, what should go into the blank?

• mol NaOH

• mol Fe(OH)₃

• mols Fe(OH)₃

• 106.88 g Fe(OH)₃

Tags

NGSS.HS-PS1-7

Using the question & equation, what should go into the blank?

• 1 mol FeCl₃

• 3 mols FeCl₃

• 1 g FeCl₃

• 1 mol NaOH

Tags

NGSS.HS-PS1-7

Using the question & equation, what should go in the blank?

• 6 g NaOH

• 6 mols NaOH

• 1 mol NaOH

• 40 g NaOH

• 240 g NaOH

Tags

NGSS.HS-PS1-7

What piece of information is not correct in the table?

• 122.55 g KClO₃

• 1 mol KClO₃

• 2 mols KClO₃

• 3 mols O₂

What piece of information is not correct in the table?

• 16.05 g CH₄

• 1 mol CH₄ (the bottom one)

• 2 mols O₂ ( the top one)

• 2 mols O₂ ( the bottom one)

• 32 g O₂

Tags

NGSS.HS-PS1-7