Give the formula for each of the following compounds: (a) a...

Give the formula for each of the following compounds:
(a) a soluble compound containing the acetate ion
(b) an insoluble sulfide
(c) a soluble hydroxide
(d) an insoluble chloride
(e) a strong Bronsted base

Key Concepts

Ionic Compounds

Ionic compounds are chemical compounds composed of positively charged cations and negatively charged anions. The formation of these compounds requires that the total charge is neutral, and the proper ratios of ions are determined by the magnitude of their respective charges.

Polyatomic Ions

Polyatomic ions are groups of covalently bonded atoms that hold an overall charge and act as a single ion in compounds. Understanding common polyatomic ions, such as acetate or hydroxide, and their charges is essential for accurately writing formulas for compounds that include them.

Bronsted-Lowry Acid-Base Theory

According to the Bronsted-Lowry definition, acids are proton donors and bases are proton acceptors. A strong Bronsted base is one that readily accepts protons in solution, typically resulting in the production of hydroxide ions, and this concept is important for understanding chemical reactivity in aqueous environments.

Chemical Formula Writing

This concept involves determining the correct formula for a compound by balancing the charges of its constituent ions. In ionic compounds, the total positive charge must equal the total negative charge, so knowing the charge on each ion is crucial for constructing the formula.

Solubility Rules

Solubility rules are empirical guidelines that help predict whether an ionic compound will dissolve in water. These rules indicate, for example, which types of salts, hydroxides, sulfides, or chlorides are likely to be soluble or insoluble based on the ions present.

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