Question

the molecular misses to the males of each all amt btaine molor mary mass Amount Salicylic acid 138 Elmo 2.027 9 0.0146 mol cenic anera de 102099lmol 4:00ML 0.0425 mol filter Paper no data 1354g no data AShri ter master no data 2,711 9 no data laserin 180 glmall 2.35790.0131 moll Imol 2.0779 X 1389/mol 0.0146 2.3519 Ximol F0.0131 180 gimol Solicylic acid -7 12X784 1 389 mol - 6x1= 6 3x1te 245 aspirin = 12x9 = 108 + 8 +684 = 180gmol spirinha

so based off of the answers in the chart, I need help figuring out what the theoretical yield of aspirin is in moles. AND the % yield of aspirin. Thank You!

Answer 1

The chart was used to find moles of reactants involved so lesser moles of salicylic acid were involved therefore it was the limiting reagent. hence its equavalent moles of aspirin would be produced. the percentage yield was calculated from the experimental weight of aspirin obtained.

SHEH3 애 to -ou Aspirin Salicylic acid Cve far more) (Imoles) tо dон

from the above reaction it is clear that x moles if salicylic acid would give rise to x moles of product aspirin.

Gilens - Mass taken Мрач May Maxy (No. of moles) amount Salicylic acid 138 g/mol 2.0299 0.0146 Acetic anhydride 102.69 €9lmol 14.00m 0.0423 Aspirin 180 gimol 2:3679 0.01309 Moles = Molalar magost Mass For Salicylic Acid I For acetic anhydritete m ay mass = Volumex density moles=2.027a - 0.0146 moss - 4 mLX 1.08 ML 138 glmal modes = 4.329 I moles= 4.32 0.0423 moleo 102.09 Since lesser no el moles of - Salicylic acid used Pat is the limiting regent ? Therefore, 0.0146 moles et Salicylic acid would ce eact, with acetic anhydride So.0146 moles zo give 0.0146 moles of Aspirin therefore theoretical yield of o Aspirin = 0.0146 mmoles the title Mabes of aspirin obtained experimentally = Moss (Actual Yield) = 0. 01309 Molar mows - Tooglmol moles % gield - Actual yield theoretical yie - 89.657% Moss - 23 0.01309 xloo 0.0146