Problem: What is the correct formula for potassium sulfite?

FREE Expert Solution

We are asked to determine the chemical formula of an ionic compound with polyatomicsPotassium Sulfite.


Polyatomic ionic compounds have the following features:

  • positive metal (Cation)
  • negative polyatomic species (Anion)


Rules for Naming:

1. The metal is named and written first.

If the metal is a transition metal, we must use a Roman Numeral to describe its positive charge.


2. The negative polyatomic species retains its name.

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Problem Details

What is the correct formula for potassium sulfite?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Naming Ionic Compounds concept. You can view video lessons to learn Naming Ionic Compounds. Or if you need more Naming Ionic Compounds practice, you can also practice Naming Ionic Compounds practice problems.