Ibuprofen (C13H1802) is the active ingredient in many nonprescription pain relievers. Each tablet contains 200.0 mg of ibuprofen. Calculate the number of moles of ibuprofen in a single tablet.

Question

answers:

9.694x10^-4

9.694x10^4

0.969

0.00000969

Answer 1

Formula: C13H18O2

Molar Mass: 206.29 gmol^-

Weight of each tablet: 200.0mg

No. of Moles = 200.0mg x (1g/1000mg) x (1mol/206.29) = 9.695 x 10^-4 mol