Question

Instructions: Use the following reaction to answer the questions in part ad Tom aspirin acetic acid Salicylic P.M. - 138g/mol acetic anhydride P.M. -102.1g/mol PM180.2g/mol a. Calculate the theoretical yield if 6.0g of salicylic acid are reacted with 12mL of acetic anhydride (density 1.08g/ml) b. What is the limiting REAGENT and what is the excess REAGENT? c. How many moles of excess reagent did not react with the limiting reagent? d. f 6.9 g of aspirin are produced in an experiment, what is the percent yield of the chemical reaction? e. How many grams of acetic acid is formed according to the reaction carried out?

Answer 1

Armenor a riven reaction of roon shodieta Hlou Elorant chaton - Acetic o Asprin Aletre deed salicylec Anydride • Molot mass of salicylic acid = 13aglome] • Horce mass of actre ahydra = 102.1 g/me] Molae mass of Asprin z 180.2gleme) Molar mass of acebre acid = - Step-u niven 12 mL of acetic anhydride used density = 1:00 g/me = w wa 108 gimix 12 mc Wz 12-96 g • moles of salwylic acids 6 ? 0.0434 mall moles of Acetic anhydride > 12.9.6 0.1269 omul 102.1 limiting reagul & which has lower number of moles = salicylic acid Excess reaget = acetic anhydride 138 (6) 1. (a) logo i o.oum molerot salicylic acid reacts with 0.1269 moles of acete anbyducle produced => 0.0434 miles of asprin Theortical gielda 0.04348 180.2g = 7028] Scanned with CamScanner

(C) moles of eness limut remeen unreacted => (0,1269 -0,0454 ) moles = 0.0835 moles Isolated of-yield yield: 6.9 g Isolated yeld -xlou Thential yilla 88.2.1. 6.9 x 100 = 7.82 88.2.1.7 [ 1 yilda 0.0454 moles of (e) According to limiting reagut Acete and femed Scanned with CamScanner