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Chemistry

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Elemental sulfur occurs as octatomic molecules, S8. What mass of fluorine gas is needed to react completely with 19.0g of sulfur to form sulfur hexafluoride?

  • Chemistry - ,

    first you need a balanced equation, so:
    24F2+S8 --> 8SF6

    then find the no. of moles of s8 (which is 19g divided by molar mass of s8)

    then use the reaction ratio of 24:1 to multiply your answer to get number of moles of fluorine

    then convert from moles to mass using m=n*M

  • Chemistry - ,

    19.0/256.56 multiply by 24 mol F2 multiply by 38g F2 after calculation will give you the mass in grams of F2.

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