nicotine C10H14N2 Camel 1.93 mg 20 cigarettes

The average nicotine (C10H14N2, molar mass 162.3 g/mol)

content of a Camel cigarette is 1.93 mg.

Suppose an individual smokes one pack of 20 cigarettes a day.

a. How many moles of nicotine are smoked in a day?

b. How many molecules of nicotine are smoked in a day?

a. How many moles of nicotine are smoked in a day?

(1.93 mg/개비) × (20 개비/day)

= 38.6 mg/day

(38.6/1000 g/day) / (162.3 g/mol)

= 0.000238 mol/day

= 2.38×10^(-4) mol/day

( 참고: n=W/M https://ywpop.tistory.com/7738 )

b. How many molecules of nicotine are smoked in a day?

(0.000238 mol/day) × (6.022×10^23 분자/mol)

= 1.43×10^20 분자/day

( 참고: 아보가드로수 https://ywpop.tistory.com/6475 )

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