## Chemistry: The Central Science (13th Edition)

Molar mass of C18H27NO3: C: 12x18 = 216 H: 1x27 = 27 N: 14x1 = 14 O: 16x3 = 48 216 + 27 + 14 + 48 = 305g per Mol Percentage of C mass in Capsaicin: $\frac{216}{305}$ x 100% = 70.82%