Homework Help: 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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