Chemistry Practice Problems Electrolytes Practice Problems Solution: Some chemical compounds are listed in the first co...

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Solution: Some chemical compounds are listed in the first column of the table below. Each compound is soluble in water. Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. The important chemical species that would be present in this solution are written in the second column of the table. Use the checkboxes to classify each compound. 

Problem

Some chemical compounds are listed in the first column of the table below. Each compound is soluble in water. Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. The important chemical species that would be present in this solution are written in the second column of the table. Use the checkboxes to classify each compound. 

Solution

We’re asked to classify each compound of the important chemical species present in a water solution based on the type of compound as follows: 

[ ionic, molecular, strong acid, weak acid, strong base, weak base. ]


We need to remember 3 important aspects to classify them:


FirstIonic compounds are made between elements of metallic and nonmetallic elements (where H is considered metallic), while molecular compounds are made of nonmetallic elements.

Second: In a solution, an acid donates a proton (H) while a base accepts a proton with the solvent according to the Bronsted-Lowry theory.

Third: If the compound dissociates completely, the acid or base is strong. If the compound dissociates partiallythe acid or base is weak.


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