Metallic magnesium reacts with steam to produce magnesium

Chapter 9, Problem 9.1.11

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QUESTION:

Metallic magnesium reacts with steam to produce magnesium hydroxide and hydrogen gas. a. If 16.2 g Mg are heated with 12.0 g H2O, what is the limiting reactant? b. How many moles of the excess reactant are left? c. How many grams of each product are formed?

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QUESTION:

Metallic magnesium reacts with steam to produce magnesium hydroxide and hydrogen gas. a. If 16.2 g Mg are heated with 12.0 g H2O, what is the limiting reactant? b. How many moles of the excess reactant are left? c. How many grams of each product are formed?

ANSWER:

Problem 9.1.11

Metallic magnesium reacts with steam to produce magnesium hydroxide and hydrogen gas. a. If 16.2 g Mg are heated with 12.0 g , what is the limiting reactant? b. How many moles of the excess reactant are left? c. How many grams of each product are formed?

                                                        Step by step solution

Step 1 of 4

a.

The first step in identifying the limiting reactant in a chemical reaction is to determine the number of moles of each reactant in the reaction mixture. The reactant in the smallest stoichiometry quantity is the limiting reactant. As usual, we begin by writing the balanced equation for the reaction.

                                           

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