How many moles of Tylenol C8H9O2N are in a 325 mg tablet .

0

This is an easy chemistry conversion.

First you need the molar mass:
C8H9ON
C=12x8=72
H=1x9=9
O=16x1=16
N=14x1=14
72+9+16+14=111grams/mol

111g/mol (.325g) = 0.36075 mol ASA