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13 November, 13:36

If you have 200 grams of SO4, how many molecules of SO4 will you have?

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Answers (2)
  1. 13 November, 13:40
    0
    2.08 moles

    Explanation:

    number of molecules = mass / molecular mass of SO₄

    number of molecules = 200 g / 96.06 g/mol

    number of molecules ≈ 2.08
  2. 13 November, 13:58
    0
    1.25x10^24 molecules

    Explanation:

    1 mole of any substance contains 6.02x10^23 molecules.

    Therefore, 1mole of SO4 also contains 6.02x10^23 molecules.

    1mole of SO4 = 32 + (16x4) = 32 + 64 = 96g

    If 1mole (i. e 96g) of SO4 contains 6.02x10^23 molecules,

    Therefore 200g of SO4 will contain = (200 x 6.02x10^23) / 96

    = 1.25x10^24 molecules
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