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How many kilograms of the rock must be processed to obtain 2.0 kg of Pb ?

How many kilograms of the rock must be processed to obtain 2.0 kg of Pb ?
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How many kilograms of the rock must be processed to obtain 2.0 kg of Pb ?

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User Jtomschroeder
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1 Answer

1 vote
15 kg of rock needs to be processed to obtain 2 kg of pb
answered
User Onmylemon
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