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19 May, 19:15

A chemical company makes pure silver by reacting silver nitrate with Zinc. the company needs to make 800 grams of pure silver for a client. they have 500 grams of zinc and 1500 grams of silver nitrate will the make enough silver to fill the order

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  1. 19 May, 19:24
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    Yes. Since they have more than the required reactants.

    Explanation:

    Zinc reduces silver nitrate to silver metal according to the following equation.

    2AgNO₃ + Zn → 2Ag + Zn (NO₃) ₂

    From the equation 2 moles of AgNO₃ produce 2 moles of silver.

    If we consider the zinc to be used number of moles=mass/RAM

    RAM of zinc = 65.38

    No. of moles=500/65.38

    =7.6476moles

    To produce 800 grams of silver they require:

    800/107.868 moles=7.4165 moles of silver nitrate since the ratio of silver nitrate to silver produced is 1:1

    The number of moles of silver nitrate available=1500/169.872

    =8.83 moles.

    As the amount of reactants available is more than the required the company will make it in producing the 800 grams of silver required.
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