Stoichiometry Practice

Front

2NaClO₃ (s) → 2NaCl (s) + 3O₂ (g)
12.00 moles of NaClO₃ will produce how many grams of O₂?

Back

576 g of O₂

Front

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

Back

223 g

Front

Fe₂O₃ + 3H₂ → 2Fe + 3H₂O
About how many grams of H₂O will be produced from 150 grams of Fe₂O₃? Options: 50 grams H₂O, 60 grams H₂O, 5000 grams H₂O, 6000 grams H₂O

Back

50 grams H₂O

Front

Given the reaction: 2 NaClO₃ (s) --> 2 NaCl (s) + 3 O₂ (g), how many grams of O₂ will 12.00 moles of NaClO₃ produce?

Back

576 g of O₂

Front

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

Back

6

Front

How do I move from grams to moles?

Back

Divide by molar mass

Front

Use the equation: 2NaOH(aq) + H₂SO₄(aq) --> 2H₂O(l) + Na₂SO₄(aq). How many grams of sodium sulfate will be formed if you start with 200 grams of sodium hydroxide?

Back

297.65 g Na₂SO₄

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

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

151 grams of Al₂O₃ are produced. How many grams of Al was needed in the reaction? Al + O₂ -------> Al₂O₃ balance first.

Back

79.91 g