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3 September, 12:46

How many molecules of oxygen gas (02) are in 8.00 grams of

oxygen?

+2
Answers (2)
  1. 3 September, 12:50
    0
    nvm i messup up its wrong DO NOT COPY THIS!
  2. 3 September, 13:02
    0
    1.51*10²³

    Explanation:

    Convert to moles first

    moles=mass/molar mass

    moles=8.00/32 (molar mass of oxygen is multiplied by 2 since it is diatomic)

    moles=1/4

    multiply moles with Avogadro's constant

    1/4*6.02*10²³

    1.505*10²³

    1.51*10²³ molecules of O₂ are in 8.00 grams of Oxygen.
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