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16 March, 05:29

How many molecules are in 3.5 g of sulfur dioxide

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Answers (2)
  1. 16 March, 07:07
    0
    6.02*10^23 molecules
  2. 16 March, 07:38
    0
    Turn the grams of sulfur dioxide into moles:

    3.5 g • 1 mol/64.07 g SO2 = 0.05463 mol

    Then multiply it by 6.02 • 10^23:

    0.05463 mol • 6.02 • 10^23 = 3.289 • 10^22 molecules

    3.3 • 10^22 molecules
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