Concept explainers
(a)
Interpretation:
The number of moles of nicotine smoked in a day is to be determined when it is considered that an individual smokes a pack of 20 cigarettes a day. The mass of the content of the cigarette is 1.93 mg and the molar mass is 162.3g/mol.
Concept Introduction:
The number of moles of a substance is obtained from the molar mass of the substance and given mass of the substance, using the following formula:
Here, m is mass and M is molar mass.
(b)
Interpretation:
The number of molecules of nicotine smoked in a day is to be determined when it is considered that an individual smokes a pack of 20 cigarettes a day. The mass of the content of the cigarette is 1.93mg and the molar mass is 162.3g/mol.
Concept Introduction:
The total number of molecules is determined by the multiplication of the total number of moles with the number of a molecule present in a mole.
This relation is given as-

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Chapter 5 Solutions
ALEKS 360 ACCESS CARD F/GEN. ORG.CHEM
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