Stoichiometry Mole to Mole

How many moles of KCl is produced when 6.75 moles of O₂ is also produced?

• 2

• 3.5

• 4.5

• 6.75

CaCl₂ + 2Na --> 2NaCl + Ca With 2.2 moles of CaCl2, how much Ca can be produced? and how much NaCl can be produced?

• 8 Ca and .2 NaCl

• 4.8 Ca and NaCl

• 2.2 Ca and 4.4 NaCl

• 2 Ca and 9 NaCl

Tags

NGSS.HS-PS1-7

4Al + 3O₂ --> 2Al₂O₃

_{If I have 8 moles of} Al _{and 5 moles of} O_{2 , which one will be my limiting reactant in making} 2Al₂O₃

• Al

• Al2O3

• O2

• no limiting reactant

How many moles of H₂ is needed to react with 2 moles of N₂?

• 6

• 3

• 2

• 1

How many moles of H₂O is produced when 8 moles of H₂ reacts fully?

• 1

• 2

• 8

• 16

Tags

NGSS.MS-PS1-5

How many moles of O₂ is needed to produce 7 moles of H₂O?

• 1

• 2

• 3.5

• 14

How many moles of N₂ is needed to produce 3.5 moles of NH₃?

• 1

• 1.5

• 1.75

• 3

How many moles of CO₂ is produced when 17.5 moles of O₂ reacts fully?

• 4

• 7

• 10

• 30.63

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

2 KClO₃ → 2 KCl + 3 O₂
How many moles of oxygen are produced when 6.7 moles of KClO₃ decompose completely?

• 6.7 mol

• 1.0 mol

• 10.1 mol

• 4.5 mol

Tags

NGSS.HS-PS1-7

How many moles of S₈ is needed to react with 3 moles of O₂?

• 0.25

• 1

• 4

• 36

Tags

NGSS.HS-PS1-7