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How Many Atoms of Lead Are Required to Cover a 33.0

Question 45

Multiple Choice

How many atoms of lead are required to cover a 33.0 cm by 45.0 cm area with a sheet of lead that is 0.140 mm thick? The density of lead is 11.35 g/cm3.


A) 6.86 × 1023
B) 2.29 × 1026
C) 2.29 × 1025
D) 6.86 × 1022
E) 1.42 × 1026

Correct Answer:

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