Asked by Anon

Lead can be extracted from the mineral galena, PbS. What is the maximum mass of lead that could be obtained from 1.0 tonne (1000 kg) of galena?
A. 32kg
B. 133kg
C. 207kg
D. 866kg
Answered by oobleck
working with the atomic masses,

Pb/(Pb+S) * 1000
Answered by Anon
thanks
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