The mineral galena is composed of lead(II) sulfide and has an average density of 7 46 g cm 3 (a) How many moles of lead(II) sulfide are in 6 96 ft 3 of galena 10 moles (b) How many lead atoms are in 8 77 dm 3 of galena 10 atoms of Pb (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/cm 3

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Question:

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 6.96 ft³ of galena?

× 10 moles

(b) How many lead atoms are in 8.77 dm³ of galena?

× 10 atoms of Pb
(Enter your answer in scientific notation.)