Moles Stoichiometry

SO₂ + PCl₅ --> SOCl₂ + POCl₃
How much SOCl₂ is produced when 16.2g SO₂ react with 13.7g PCl_5? 

• 7.87g

• 30.1g

• 26.4g

• 19.8g 

Tags

NGSS.HS-PS1-7

The limiting reactant

• slows the reaction down

• is used up first

• is the reactant that is left over

• controls the speed of the reaction

What is the limiting reactant if 10 moles of NH₃  react  with 30.0 moles of NO?
4NH₃+6NO --> 5N₂ + 6H₂O

• NH₃

• NO

• N₂

• water

Tags

NGSS.HS-PS1-7

4NH₃ + 5O₂ --> 4NO + 6H₂O
How many grams of NO are formed if 6.30g of ammonia react with 1.80g of oxygen? 

• 0.37g

• 0.045g

• 1.35g

• 11.1g

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7

Fe + S --> FeS
If 7.62g Fe react with 8.67g S, what is the limiting reactant?

• Fe

• S

• FeS

• none 

Tags

NGSS.HS-PS1-7

Which of the following would have the highest number of moles?

• 4g CO₂

• 15g H₂O

• 22g NaCl

• 100g AgCl

What is the total number of moles contained in 115 g of C₂H₅OH?

• 0

• 1.5

• 3.0

• 2.5

What is the total mass in grams of 0.75 mole of SO₂?

• 16 g

• 24 g

• 32 g

• 48 g

Find the mass of 5 moles of water.

• 18.02 g

• 36.04 g

• 90.1 g

• 25.0g

If 0.5 moles of Al react with excess HCl, how many grams of AlCl3 are produced in the reaction 2Al + 6HCl -> 2AlCl3 + 3H2?

• 72.89 grams

• 45.32 grams

• 60.14 grams

• 66.67 grams

Tags

NGSS.HS-PS1-7