Extended Essays 2021

Appendix: Word Count: 1,477 Appendix #1: Standard methyl salicylate and ferric chloride wavelength scan

Appendix #2: Mol of Salicylic acid =

28 152 /

=

= 0.2

Appendix #3: Calculating limiting and excess reactant for the synthesis of methyl salicylate Mole values

= 0.2 100% ℎ = 2.1

32 /

Atomic Mass of Methanol Mass of Methanol used

Mass of Methanol used = × = 0.7914 −3 × 80 3 = 63.3

+ → 8 8 3 + 2

Mass of Methanol reacted

7 6 3 + 3

* 1:1 mole ratio 0.2 × 32 / = 6.4 ℎ

63.3 − 6.4 = 56.88 ∴ ℎ 1.35

Appendix #4: Safety & Risk Assessment

17