Lesson: Uses of Sulfuric Acid Chemistry • The Molecular Nature of Matter and Change • Eighth Edition

Chemistry

In this lesson, we will learn how to describe the uses of sulfuric acid, balance reaction equations, and calculate the quantities of acid involved.

Sample Question Videos

  • 10:18

Worksheet

Q1:

Sulfuric acid can be used to identify halide ions in aqueous solutions.

Chloride salts react with sulfuric acid to form hydrogen chloride and other products. Give a balanced chemical equation for the reaction of excess sodium chloride with sulfuric acid.

Bromide salts react with sulfuric acid to form sulfur dioxide, red-brown bromine vapor, water, and a sulfate salt. Give a balanced chemical equation for the reaction of sodium bromide with excess sulfuric acid.

Iodide salts react with sulfuric acid and water to form hydrogen sulfide, purple iodine vapor, and a sulfate salt. Give a balanced chemical equation for the reaction of sodium iodide with excess sulfuric acid.

Q2:

Many reactions involving sulfuric acid produce soluble sulfate salts. Salts of certain alkaline earth metals can be used to test for the presence of these soluble salts and to differentiate these compounds from hydroxides and carbonates.

Which alkaline earth metal forms the most suitable salts for the identification of soluble sulfates?

When a suitable alkaline earth metal salt is added to a solution, what observation confirms the presence of soluble sulfates?

Q3:

Sulfuric acid reacts with alkaline earth metals to form sulfate salts.

What are the other products of these reactions?

What is the formula of the salt produced when calcium metal reacts with sulfuric acid?

What is the heaviest alkaline earth metal capable of forming a sulfate salt that is highly soluble in pure water?

For which alkaline earth metal do the sulfate and hydroxide salts display the most similar water solubilities?

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