Determine the molar mass for fluoxetine (C16H16F3NO), also known as Prozac?

A. 279.3 g/mol

Simply grab your nearest periodic table of elements and add it all up.
C16 means there are 16 C’s in fluoxetine, F3 means there are 3 F’s, O means there is 1 O, etc. Find the mass for Carbon (C) in the periodic table and multiply it by 16. Then find H and multiply it by 16. Find F and multiply it by 3. Do this for all the elements in fluoxetine and add all your masses up and there you have it!
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