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How to Write the Formula for Potassium phosphate

Learning to name chemical compounds requires that you:

  • Determine the type of compound you are working with.
  • Apply the rules for naming that type of compound.
  • Practice until it becomes second nature.
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Get more practice writing formulas for compounds.

For Potassium phosphate use the hints and resources below to help write the formula.

Hint for Writing the Formula for Potassium phosphate

For Potassium phosphate we have a metal (Potassium) and then a polyatomic ion (an ate ending usually means it's a polyatomic ion).
  • Write the element symbol and ionic charge for Potassium.
  • Look up the name and charge for phosphate on the Common Ion Table
  • Balance the charges so the total charge on the compound is zero.

Potassium phosphate Resources