Stoichiometry Practice

Front

How many grams of O₂ will be needed to burn 36.1 g of B₂H₆?

Back

124 g O₂

Front

2Al + 3H₂SO₄ -> Al₂(SO₄)₃ + 3H₂
How many grams of Al₂(SO₄)₃ would be formed if 250g H₂SO₄ completely reacted with aluminum? Options: 0.85 g, 290 g, 450 g, 870 g

Back

290 g

Front

For the reaction Cl₂ + 2KBr → Br₂ + 2KCl, how many grams of potassium chloride can be produced from 356 grams potassium bromide (KBr)? Options: 749 g, 225 g, 479 g, 814 g

Back

225 g

Front

Using the equation: 4 NH₃ + 5 O₂ --> 4 NO + 6 H₂O, how many grams of oxygen gas are needed to react with 56.8 grams of ammonia (NH₃)?

Back

133.33 g O₂

Front

4NH₃ + 5O₂ → 4NO + 6H₂O
How many grams of NO are formed if 6.30g of ammonia react with 1.80g of oxygen?

Back

1.35g

Front

Using the pictured equation, how many moles of hydrogen can you make with 7.9 g Zn?

Back

.12 g

Front

Using the balanced equation below,
 CaC₂(s)   +  2H₂O(l)   -->   C₂H₂(g)   +   Ca(OH)₂(aq)
how many grams of Ca(OH)₂ would be formed with 3.20 moles of CaC₂?

Back

237 g

Front

Given the reaction 2NaClO₃--> 2NaCl + 3O₂, how many grams of NaCl are produced when 80.0 grams of O₂ are produced?

Back

96.7 g NaCl

Front

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

Back

6

Front

Using the balanced equation Mg(s) + 2HCl(aq) --> MgCl₂(aq) + H₂(g), how many grams of HCl are consumed by the reaction of 2.50 moles of magnesium?

Back

182 g