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    anstacia's Avatar
    anstacia Posts: 1, Reputation: 1
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    #1

    Oct 6, 2010, 01:34 PM
    a specimen of rich gold ore weighs 309.3g a
    a specimen of rich gold ore weighs 309.3 g and its volume is 82.9cc; quartz (g= 2.65) is the only waste mineral. The alloy contains 12.1% of silver, the density of the alloy being 17.5g/cc. how much pure gold are there in the specimen?
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    Oct 6, 2010, 03:36 PM

    Sounds like a density problem, see if this helps:
    Density of Gold
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