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Packing Fraction and Efficiency

54. a� �piece...

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54. a� �piece� �of� � gold� �weighs� �10 g� �in� �air� �and� � 9� g� � in� � water .� �what� �is� � the� � volume� �of� � cavity?� �(� density� �of� � gold=� 19.3� g/cm3)

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