Calculate the empirical formula of naproxen (aleve), an over-the-counter pain reliever that has 73.03% c by mass, 6.13% h by mas

Question

yaroslaw [1]

3 years ago

7

Calculate the empirical formula of naproxen (aleve), an over-the-counter pain reliever that has 73.03% c by mass, 6.13% h by mas

s, and 20.84% o by mass.

Chemistry

1 answer:

valkas [14] · Answer 1 · 2021-12-28T18:07:23+03:00

valkas [14]3 years ago

4 0

<span>If the molecular weight is 230.26 g/mol carbon = 73.03% = 230.26*73.03/100 = 168.15/12 = 14 Carbons Hydrogen = 6.13% = 230.26*6.13/100 = 14/1 = 14 Hydrogens Oxigen = 20.84% = 230.26*20.84/100 = 47.98/16 = 3 Oxygens Hence the empirical formula is C14H14O3</span>