Stoichiometry Practice

Front

What is the first step in solving a stoichiometry problem?

Back

Write a Balanced Equation.

Front

What is the balanced equation for the reaction of ammonia and nitric oxide?

Back

4NH₃ + 6NO → 5N₂ + 6H₂O.

Front

How many liters of NH₃ are needed to react with 30.0L of NO in the reaction 4NH₃ + 6NO → 5N₂ + 6H₂O?

Back

20.0 L.

Front

What is the mass of H₂ gas produced when 4.0 moles of HCl react according to the equation Mg + 2HCl → MgCl₂ + H₂?

Back

4.0 g.

Front

What volume of hydrogen gas is produced at STP from the reaction of 67.3 g of magnesium in the equation 1Mg + 2H₂O → Mg(OH)₂ + H₂?

Back

62.0 L.

Front

How many grams of HCl are consumed when 2.50 moles of magnesium react according to the equation Mg + 2HCl → MgCl₂ + H₂?

Back

182 g.

Front

Define stoichiometry.

Back

Stoichiometry is the calculation of reactants and products in chemical reactions.

Front

What is a balanced chemical equation?

Back

A balanced chemical equation has equal numbers of each type of atom on both sides of the equation.

Front

What does STP stand for in chemistry?

Back

Standard Temperature and Pressure.

Front

What is the molar volume of a gas at STP?

Back

22.4 liters.