Multiple Choice
An ore containing lead carbonate, PbCO3, was analyzed. All of the lead in a 1.836 gram sample was converted to PbSO4(s) using a standard procedure involving treatment with HNO3(aq) followed by treatment with Na2SO4 solution. The lead sulfate which was recovered weighed 333 mg. What is the percent, by weight, of lead in the ore? Hint: You should write out each reaction on paper and work backwards through the reactions.
A) 1.99 %
B) 12.4 %
C) 16.0 %
D) 18.1 %
E) 20.6 %
Correct Answer:
Verified
Correct Answer:
Verified
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