Explain the concentration of lead in the air was observed

Reference no: EM13497465

a) How many atoms are present in a 1.70-m length of 20 gauge copper wire? 20 gauge wire has a diameter of 0.03196 in , and the density of copper 8.92g/cm3.

b) How many Pb atoms would be present in a 0.500L sample of this air (the approximate lung capacity of human adult)? The concentration of lead in the air was observed to be 3.09 ug Pb/m3.

Reference no: EM13497465

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