Stoichiometry Practice

Front

How many moles of HCl are consumed in the production of 7.5 moles of MgCl₂ using the equation: Mg + 2HCl --> MgCl₂ + H₂?

Back

15 moles

Front

What is the first thing you must do to solve a stoichiometry problem?

Back

Write a Balanced Equation

Front

2H₂   +   O₂  →  2H₂O
How many moles of water can be produced if 8 moles H₂ are used?

Back

8 moles

Front

For the Balanced Reaction: 3 Mg + 1 Fe₂O₃ → 3 MgO + 2 Fe; What is the Ratio of moles of Mg to moles Fe?

Back

3mol Mg / 2 mol Fe

Front

Fe₂O₃(s) + 3H₂(g) → 2Fe(s) + 3H₂O(l)
How many moles of iron can be made from 6 moles H₂?

Back

4 moles Fe

Front

N₂ +  3H₂ → 2NH₃ 
How many moles of hydrogen are needed to react with 2 moles of nitrogen?

Back

6

Front

N₂ + 3H₂ → 2NH₃ What is the mole ratio between N₂ and NH₃ in the above reaction?

Back

2 moles NH₃ / 1 moles N₂

Front

Mole ratio between silver nitrate and copper(II) nitrate in the reaction:
2AgNO₃ + Cu --> Cu(NO₃)₂ + 2Ag
Options: 2 mol AgNO₃ / 2 mol Ag, 2 mol Ag / 2 mol AgNO₃, 2 mol AgNO₃ / 2 mol Cu(NO₃)₂, 2 mol AgNO₃ / 1 mol Cu(NO₃)₂

Back

2 mol AgNO₃ / 1 mol Cu(NO₃)₂

Front

4NH₃ + 5O₂ --> 4NO + 6H₂O
What is the total number of moles of H₂O produced when 12 mole of NH₃ is completely consumed?

Back

18

Front

Given the reaction: 4Al + 3O₂ --> 2Al₂O₃. How many moles of Aluminum oxide, Al₂O₃, can you produce if you have 2 moles of Al?

Back

1 mole