Stoichiometry: Calculations with Chemical Formulas and Equations

32) (a) MM (C₁₄H₁₈N₂O₅) = 14 mol C * 12.01 g C/1 mol C + 18 mol H * 1.01 g H/1 mol H + 2 mol N * 14.01 g N/1 mol N + 5 mol O * 16.00 g /1 mol O = 294.34 g mol^-1

      (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 molecules/1 mol C₁₄H₁₈N₂O₅ = 2.05 x 10¹⁸ C₁₄H₁₈N₂O₅ molecules

      (d) N = 2.05 x 10¹⁸ C₁₄H₁₈N₂O₅ molecules * 18 H atoms/ 1 C₁₄H₁₈N₂O₅ molecule = 3.68 x 10¹⁹ H atoms