Percent Yield C7H6O3 salicylic acid + CHO acetic anhydride C9H8O4 + Aspirin CH3COOH acetic acid 10.00 kg of salicylic acid is mixed with 10.00 kg of acetic anhydride. What is the % yield for aspirin if 11.2 kg is produced?
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- Mass of oleic acid (glyceryl trioleate)=3.978g Mass of soap (sodium oleate)=3.8954g Moles of Oleic Acid (glyceryl trioleate) 3.978g/(885.4g/ml)=0.004493mol Moles of Soap (sodium oleate) 3.8954g/(304.4g/ml)=0.01279 What is the theoretical yield? What is the yield percentage? of the one with less molarityou separated acetanlide from sand and sodium chloride (NaCl) via recrystallization. You separated the recrystallized acetanilide from the dissolved NaCl using a seperatory funnel. You started the separation experiment with 4 g of an impure mixture of NaCl, sand, and acetanilide (MW= 135.17 g/mol) and you collected 3.2 g after the recrystallization experiment.Whats the percent yield?Part 5
- 2.9g of beta-napthol and 1.65g of KOH were dissolved in 20ml of methanol with 1.8 ml of etl in a 50ml in round bottom flask and reacted to form 0.47 g of nerolin. What is the theoretical, actual and percent yield?Sodium carbonate is a reagent that may be used to standardizeacids in the same way. In such standardization it was found that a 0.432-g sample ofsodium carbonate required 22.3 mL of a sulfuric acid solution to reach the end point forthe reaction.Na2CO3(aq) + H2SO4(aq) -----> H2O(l) + CO2(g) + Na2SO4(aq)What is the molarity of the H2SO4?Molar Mass (g/mole) Density (g/mL) Equivalent (ratio) Reagent Salicylic acid Amount Mole 138.12 Acetic anhydride 102.1 1.08 Sulfuric acid 98 1.8 catalyst
- A side reaction of the rayon manufacturing process from wood pulp is: 3CS2 +6NaOH=2Na2CS3 +Na2CO3 +3H2O How many grams of Na2CS3 are produced in the reaction of 92.5ml of liquid Cs2 (d: 1.26g/ml) and 2.78mol of NaOH? How much excess reagent is left? How much would it take for the limiting reagent to react with the excess reagent?Based from the Molarity of the palmitic acid solution that you were able to solve earlier, how will you prepare 250 mL of the said molar concentration, if you have an available 2M stock solution of Palmitic acid? How many mL of the 2M palmitic acid stock solution will you need? Final answer must be rounded off to 2 decimal places, and shall NOT have any units.For the following reaction: H3PO4 + 3 KOH–K3PO4 + 3 H,O (1) What is the equivalent mass of H3PO,? g/equiv (2) Calculate the number of equivalents in 20.9 grams of H3PO4. equiv
- 11. 50.0 g of silver nitrite is mixed with 50.0 g of hydrochloric acid in a water based solution. A white precipitate forms. The solution is filtered and the white precipitate collected and dried. The dried precipitate is measured to have a mass of 36.1 g. What is the percent yield?What is the percent magnesium hydroxide, if a sample of magnesia magma weighing 5.2430g when dissolved in 25 mL of 0.9915 N H2SO4 required 9.85 mL of 1.4102 N NaOH to titrate the excess acid? Round to 2 decimal point; Answer should be with the correct unit.11.50.0 g of silver nitrate is mixed with 50.0 g of hydrochloric acid in a water based solution. A white precipitate forms. The solution is filtered and the white precipitate collected and dried. The dried precipitate is measured to have a mass of 36.1 g. What is the percent yield?