Homework Help Forum: Chemistry

Posted by Courtne on Sunday, November 1, 2009 at 9:24pm.

Sulfur and fluorine react in a combination reaction to produce sulfur hexafluoride: S (s) + 3F2 (g) SF6 (g) What is the minimun number of moles of fluorine gas needed to completely react with 16 g sulfur? a. 1 b. 1.5 c. 2 d. 3 e. 6

• Chemistry - DrBob222, Sunday, November 1, 2009 at 9:27pm

  You didn't type in the arrow? How do we know the difference between the products and the reactants? a. Convert 16 g S to moles. moles = grams/molar mass. b. Using the coefficients in the balanced equation, convert moles S to moles fluorine. Post your work if you get stuck.

  
  

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