Lead metal can be extracted from a mineral called galena, which contains 86.6% lead by mass. A particular ore contains 68.5% gal
ena by mass. If the lead can be extracted with 92.5 % efficiency, what mass of ore is required to make a lead sphere with a
6.50cm radius?
1 answer:
Answer:
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Step-by-step explanation:
sdbhabjbgfybsbfsad gfhysabfubdfr
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Answer:
2:20PM
Step-by-step explanation:
3:45 - 1 hour = 2:45 (drive)
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2:20pm
