Lead metal can be extracted from a mineral called galena, which contains 86.6% lead by mass. a particular ore contains 68.5% galena by mass. part a if the lead can be extracted with 92.5% efficiency, what mass of ore is required to make a lead sphere with a 8.00 cm radius?
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Lead metal can be extracted from a mineral called galena, which contains 86.6% lead by mass. a parti...
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