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5 November, 20:11

How many moles are im 8.31x1023 molecules of h2so4

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  1. 5 November, 20:22
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    1.38 mol.

    Explanation:

    It is known that every 1.0 mole of a molecule contains Avogadro's number of molecules (NA = 6.022 x 10²³).

    Using cross multiplication:

    1.0 mole of H₂SO₄ contains → 6.022 x 10²³ molecules.

    ? moles of H₂SO₄ contains → 8.31 x 10²³ molecules.

    ∴ The no. of moles in (8.31 x 10²³ molecules) of H₂SO₄ = (1.0 mol) (8.31 x 10²³) / (6.022 x 10²³ molecules) = 1.38 mol.
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