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24 May, 08:41

How many grams of BrCl form when 239.7g Cl2 react with excess Br2

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  1. 24 May, 10:40
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    Mass = 1568.9 g

    Explanation:

    Given dа ta:

    Mass of Cl₂ = 239.7 g

    Mass of BrCl form = ?

    Solution;

    Chemical equation;

    Cl₂ + Br₂ → 2BrCl

    Number of moles of Cl₂:

    Number of moles = mass / molar mass

    Number of moles = 239.7 g / 35.5 g/mol

    Number of moles = 6.8 mol

    Now we will compare the moles of Cl₂ and BrCl.

    Cl₂ : BrCl

    1 : 2

    6.8 : 2*6.8 mol = 13.6 mol

    Mass of BrCl:

    Mass = number of moles * molar mass

    Mass = 13.6 mol * 115.357 g/mol

    Mass = 1568.9 g
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