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physics

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The British Sovereign coin is an alloy of gold and copper having a total mass of 7.988 g and is 22-karat gold.
(a) Find the mass of gold in kg using that # of karats = 24 x (mass of gold)/(total mass).
(b) Calculate the volumes of gold and copper used to manufacture the coin.
(c) Calculate the density of the coin.

  • physics - ,

    a. calculate using the formula
    b. knowing the masses of copper and gold, and densities, find the volume
    c. density=totalmass/totalvolume

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