Homework Help Forum: Chemistry

Posted by Brittany on Monday, October 26, 2009 at 1:58pm.

Elemental sulfur occurs as octatomic molecule S8. What is the mass of Fluorine gas needed to react completely with 19.9 g of Sulfur to form sulfur hexafluoride?

• Chemistry - MathMate, Monday, October 26, 2009 at 3:01pm

  Relative atomic mass of F2 = 19 RAM of Sulphur = 32 Mass of fluorine required to form SF6 = 19.9*(6*19)/32 = 70.9 g

  
  

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