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9 February, 18:02

Calculate the mass of agcl that should be produced when an excess of agno3 is reacted with 500 mg

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  1. 9 February, 18:19
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    Answer is: mass of silver chloride is 0.573 grams.

    Balanced chemical reaction:

    2AgNO₃ + [Co (NH₃) ₅Cl]Cl₂ → 2AgCl + [Co (NH₃) ₅Cl] (NO₃) ₂.

    m (Co (NH₃) ₅Cl]Cl₂) = 500 mg : 1000 mg/g = 0.5 g.

    n (Co (NH₃) ₅Cl]Cl₂) = 0.5 g : 250.4 g/mol.

    n (Co (NH₃) ₅Cl]Cl₂) = 0.002 mol.

    From chemical reaction: n (Co (NH₃) ₅Cl]Cl₂) : n (AgCl) = 1 : 2.

    n (AgCl) = 2 · 0.002 mol = 0.004 mol.

    m (AgCl) = 0.004 mol · 143.32 g/mol.

    m (AgCl) = 0.573 g.
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