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The rock in a lead ore deposit contains 89% PbS by mass. How many kilograms of the rock must be processed to obtain 5.0 kg of Pb?

The rock in a lead ore deposit contains 89% PbS by mass. How many kilograms of the rock must be processed to obtain 5.0 kg of Pb?
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The rock in a lead ore deposit contains 89% PbS by mass. How many kilograms of the rock must be processed to obtain 5.0 kg of Pb?

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User Ugtemlhrshrwzf
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8.5k points

1 Answer

3 votes
the answer is 5.62kg to 2 decimal places.
answered
User Ganesh Babu
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8.1k points
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