Stoichiometry

Front

2H₂  +   O₂  →  2H₂O
How many moles of oxygen are consumed if 8 moles H₂ are used?

Back

4

Front

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

Back

3 mol MgO / 2 mol Fe

Front

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

Back

10.1 mol

Front

2Na + 2H₂O → 2NaOH+ H₂
How many grams of hydrogen are produced if 120 g of Na are available?

Back

5.2 g

Front

SiO₂ + 3C → SiC + 2CO
I need to add 8 moles of Carbon to the reaction. How many grams of Carbon should I weigh?

Back

96 g

Front

Cl₂ + 2 KBr → Br₂ + 2 KCl
How many grams of potassium chloride can be produced from 356 g of chlorine and 356 g of potassium bromide?

Back

223 g

Front

CH₄ + 2 O₂ → CO₂ + 2 H₂O
How many moles of carbon dioxide are produced from the combustion of 110 g of CH₄?

Back

6.85 mol

Front

12.00 moles of NaClO₃ will produce how many grams of O₂?

Back

576 g of O₂

Front

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

Back

124 g O₂

Front

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

Back

1.875 moles