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7 April, 16:30

How many moles of C3H8 contain 9.25x10^24 molecules of C3H8?

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Answers (2)
  1. 7 April, 16:32
    0
    15.4

    Explanation:

    Using Avogadro's Number we have a direct ratio.

    6.022

    *

    10

    23

    Molecules/mole.

    Moles =

    9.25

    *

    10

    24

    6.022

    *

    10

    23

    Moles =

    15.4
  2. 7 April, 16:50
    0
    15.37 moles

    Explanation:

    From Avogadro's hypothesis, 1mole of any substance contains 6.02x10^23 molecules.

    This simply means that 1 mole of C3H8 contains 6.02x10^23 molecules.

    Now if 1 mole of C3H8 contains 6.02x10^23 molecules,

    Therefore Xmol of C3H8 will contain 9.25x10^24 molecules i. e

    Xmol of C3H8 = 9.25x10^24/6.02x10^23

    Xmol of C3H8 = 15.37 moles

    Therefore, 15.37 moles of C3H8 contains 9.25x10^24 molecules
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