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17 April, 21:34

How many grams of oxygen are required to react with 2.7 g of dihydrogen sulfide

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  1. 17 April, 23:09
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    Mass = 3.84 g

    Explanation:

    Given dа ta:

    Mass of hydrogen sulfide = 2.7 g

    Mass of oxygen required = ?

    Solution:

    Chemical equation:

    2H₂S + 3O₂ → 2H₂O + 2SO₂

    Number of moles of hydrogen sulfide:

    Number of moles = mass / molar mass

    Number of moles = 2.7 g / 34 g/mol

    Number of moles = 0.08 mol

    Now we will compare the moles of hydrogen sulfide with oxygen.

    H₂S : O₂

    2 : 3

    0.08 : 3/2 * 0.08 = 0.12 mol

    Mass of oxygen;

    Mass = number of moles * molar mass

    Mass = 0.12 mol * 32 g/mol

    Mass = 3.84 g
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