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A sample containing silver was treated with an excess of sodium chloride to precipitate the silver ions as silver chloride. The precipitate weighed 0.576g. If the percentage of silver in the sample was 80%, determine the mass of the sample using the gravimetric factors

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  1. mass Ag = 0.576 g AgCl x (Ag/AgCl) = 0.576 x (107.87/143.32) = 0.4335
    The gravimetric factor is 107.87/143.32 = 0.75265
    %Ag = (mass Ag/mass sample)*100 = 80
    Plug in mass Ag and solve for mass sample. Post your work if you get stuck.

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