Question

Aspirin can be made in the laboratory by reacting acetic anhydride (C,HeOs) with salicylic acid (CHeO3) to form aspirin (Co Hg 04) and acetic acid (C2H4O2). The balanced equation is CAHeOs+CHeOs CoHsO+CHO In a laboratory synthesis, a student begins with 2.90 mL of acetic anhydride (density salicylic acid Once the reaction is complete, the student collects 1.24 g of aspirin Detemine the limiting reactant for the reaction acetic anhydride =1.08 g/ml) and 1.23 g of salicylic acid Request Answer Submit Part B Determine the theoretical yield of aspirin for the reaction ma Request Answer Submit e DELL

Answer 1

Caiven balancedA eauation. CuHao3 Salienic acia ASPisin acetic Acetic aciol anhydride aiven VoluMe acetic 9nhy ddyiAS 2.9omL density 9cetic anhydride 1&3mL Given weight Salieslic f Collected amaunt o rieldd oY Actual aspirin 249 dowr useod 3 iven anhydride acets mass op Mass -mass Voume (m)xdensizy (91L)den 2.90mt x 0g91 3.132 3 anhydride used 3.132 9 acetic Cmass of har 1Knae we acid =138.12 Salicic mass oF Molecular Z138.12 9 1MOR anhydyiae acehe of Mass Maleculay of Apix in 10IL 8mo MoLRcuay Mass Can be These Moleculay atomic mass adding Calculated Oxy9enlo)andd hrdragen Cayton(c) of mutielred qucl OX79 en Co) Carlonle) Yespectivey

PART-A we Knacs kar 9wen mass of of CoMPound 3Ole COMPOUND enolecutay mass o COmPDund of Aceic anhydrids Mole 3-1329 102.09 9 Salicrlic add Cole oF 1.23 9 6.0009 o 138.12 8ma acid Saicric Since Mole acetic OF Mole dess than of YeactioS Ahe anhyalride salicic acid Aseixin SynthesisS Liaiting YDactant i's LimiHng Yeactant Salieiic acid Part-B Yeactant ierihing Since have ddo aci d Se Salicnlic of he basis Calculaton a ci d Saiculie Since Produced Salieric aicl LMe Mohe of as Pirin oY 180.1681ast aseirin

Salicnlis acid So O.o0gg 80.16 31 Xo.o099 AStirin Aspirin IG03 9 op Theoxetical yiel od L603 9 Hence Aseirin hot know we Part-s eachion PeYcent Yield of Product ACual ield PY.cdluct theoveicat itat oe Product 100x Pexcent Yicid CACHUayield of ASPixin Aseirin theorehcat Yield op ASPETIN 24 G03% 12ence ASRirin PercentYield