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26 November, 22:39

How many atoms are in 5 moles of phosphorous (P) ?

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  1. 26 November, 23:31
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    Answer: 1.204 x 10∧25 atoms are in 5moles of Phosphorous.

    Explanation:

    We begin by taking note of the fact that, 1 molecule of Phosphorous (P4), is made up of 4 atoms of Phosphorous (P).

    Using Avogadro's constant;

    1 mole of Phosphorous (P4) contains 6.02 x 10∧23 molecules.

    5 moles of Phosphorous would contain; 5 x 6.02 x 10∧23 molecules

    = 3.01 x 10∧24 molecules.

    As stated earlier, 1 molecule of Phosphorous contains 4 atoms of Phosphorous (P).

    3.01 x 10∧24 molecules would contain; 4 x 3.01 x 10∧23 = 1.204 x 10∧25 atoms.

    ∴ 5 mole of phosphorous contain 1.204 x 10∧25 atoms.
  2. 27 November, 00:48
    0
    Lets assume that we have 5 moles of phosphorus. Then you have to multiply the Avogadro number which is 6.03x10^23 by the number of moles which is 5. So, 6.03 x 10^23 is the number of phosphorus atoms in ONE mole.
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