ameliagavarkavich ameliagavarkavich
  • 06-11-2020
  • Chemistry
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How many Sr2+ ions are present in 0.314 moles of Sr3(PO4)2?

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maacastrobr
maacastrobr maacastrobr
  • 11-11-2020

Answer:

5.67x10²³ ions

Explanation:

By looking at the molecular formula, we can tell that there are three Sr²⁺ ions per Sr₃(PO₄)₂ molecule.

We convert Sr₃(PO₄)₂ moles into Sr₃(PO₄)₂ molecules by using Avogadro's number:

  • 0.314 moles * 6.023x10²³ = 1.89x10²³ molecules

Finally we multiply that number by 3 in order to convert Sr₃(PO₄)₂ molecules to Sr²⁺ ions:

  • 1.89x10²³ * 3 = 5.67x10²³ ions.
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