Stoichiometry Practice

Front

Balance the following reaction:
Mg(s)   +   HCl(aq)  -->   MgCl₂(aq)   +   H₂(g)

Back

1,2,1,1

Front

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

Back

182 g

Front

Using the balanced equation: Mg(s) + HCl(aq) --> MgCl₂(aq) + H₂(g), what is the mass in grams of H₂ gas when 4.0 moles of HCl is added to the reaction?

Back

4.0 g

Front

Using the balanced equation: Mg(s) + HCl(aq) --> MgCl₂(aq) + H₂(g), how many moles of HCl are consumed in the production of 7.5 moles of MgCl₂?

Back

15 moles

Front

Balance the following reaction:
CaC₂(s) + H₂O(l) --> C₂H₂(g) + Ca(OH)₂(aq)

Back

1,2,1,1

Front

Using the balanced equation CaC₂(s) + H₂O(l) --> C₂H₂(g) + Ca(OH)₂(aq), how many grams of H₂O are needed if 3.20 moles of CaC₂ are consumed?

Back

115 g

Front

Using the balanced equation: CaC₂(s) + H₂O(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

Using the balanced equation: CaC₂(s) + H₂O(l) --> C₂H₂(g) + Ca(OH)₂(aq), how many moles of Ca(OH)₂ would be produced if 3.5 moles of H₂O are consumed? Options: 1.75 moles, 7.0 moles, 3.5 moles, 11 moles

Back

1.75 moles

Front

Balance the reaction: C₂H₂(g) + O₂(g) --> CO₂(g) + H₂O(g)

Back

2,5,4,2

Front

How many moles of water (H₂O) are produced when 25.0 grams of C₂H₂ are consumed? (C₂H₂(g) + O₂(g) --> CO₂(g) + H₂O(g))

Back

0.960 moles