cfAndSt32

(

b) n = 1.00 mg C₁₄H₁₈N₂O₅ * 1 g/ 10³ mg * 1 mol C₁₄H₁₈N₂O₅/ 294.34 g C₁₄H₁₈N₂O₅ = 3.40 x 10^-6 mol C₁₄H₁₈N₂O₅

(

c) N = 3.40 x 10^-6 mol C₁₄H₁₈N₂O₅ * 6.02 x 10²³ C₁₄H₁₈N₂O₅ particles/ 1 mol C₁₄H₁₈N₂O₅ = 2.05 x 10¹⁸ C₁₄H₁₈N₂O₅ particles

(

d ) N = 2.05 x 10¹⁸ C₁₄H₁₈N₂O₅ particles * 18 H atoms/ 1 C₁₄H₁₈N₂O₅ particle = 3.68 x 10¹⁹ H atoms