Stoichiometry

Front

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

Back

4 mol

Front

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

Back

5.3 g

Front

Mole ratio of Mg to Fe in the reaction 3Mg + Fe₂O₃ → 3MgO + 2Fe

Back

3mol Mg / 2 mol Fe

Front

Cl₂ + 2KBr → Br₂ + 2KCl How many molecules of potassium chloride can be produced from 35.6 g of chlorine?

Back

6.05x10²³ molecules

Front

2Na + 2H₂O → 2NaOH+ H₂ How many grams of hydrogen are produced if 1.20x10²⁴ molecules of Na are available?

Back

2.01 g

Front

CH₄ + 2O₂ → CO₂ + 2H₂O How many moles of carbon dioxide are produced from the combustion of 110. g of CH₄? Options: 13.7 mol, 2.75 mol, 6.11 mol, 6.85 mol

Back

6.85 mol

Front

2NaClO₃ → 2NaCl + 3O₂ 12.0 moles of NaClO₃ will produce how many grams of O₂?

Back

576 g

Front

Fe + S → FeS How many grams of FeS can form if 7.62 g of Fe are reacted?

Back

12.0 g

Front

2KClO₃ → 2KCl + 3O₂ How many moles of oxygen are produced when 6.70 moles of KClO₃ decompose completely?

Back

10.1 mol

Front

Cl₂ + 2KBr → Br₂ + 2KCl How many molecules of potassium chloride can be produced from 42.6 grams potassium bromide?

Back

2.16x10²³ molecules