Problem: The mineral galena is composed of lead(II) sulfide and has an average density of 7.46 g/cm3.(a) How many moles of lead(II) sulfide are in 6.35 ft3 of galena?(b) How many lead atoms are in 8.69 dm3 of galena?(Enter your answer in scientific notation.)

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The mineral galena is composed of lead(II) sulfide and has an average density of 7.46 g/cm3.

(a) How many moles of lead(II) sulfide are in 6.35 ft3 of galena?
(b) How many lead atoms are in 8.69 dm3 of galena?

(Enter your answer in scientific notation.)


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