You mixed 5.25 g of methanol and a carboxylic acid whose molar mass is 138.12 g/mol and heated to obtain an ester. What is the molar mass (in g/mol) of the ester produced? Give a numerical answer to the nearest 0.01.
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You mixed 5.25 g of methanol and a carboxylic acid whose molar mass is 138.12 g/mol...
Aspirin can be prepared from salicylic acid (C7H6O3C7H6O3), which has a molar mass of 138.12 g/mol, and acetic anhydride (C4H6O3C4H6O3), which has a molar mass of 102.04 g/mol. The density of acetic anhydride is 1.082 g/mL. C7H6O3+C4H6O3⟶C9H8O4+C2H3O2C7H6O3+C4H6O3⟶C9H8O4+C2H3O2 What is the yield of aspirin (C9H8O4C9H8O4), which has a molar mass of 180.15 g/mol, possible when reacting 2.02 g of salicylic acid with 1.07 mL of acetic anhydride?
Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol, and acetic anhydride (C4H6O3), which has a molar mass of 102.04 g/mol. The density of acetic anhydride is 1.082 g/mL. C7H6O3+C4H6O3⟶C9H8O4+C2H3O2 What is the yield of aspirin (C9H8O4), which has a molar mass of 180.15 g/mol, possible when reacting 2.18 g of salicylic acid with 1.05 mL of acetic anhydride?
What is the molar mass of methanol: CH3OH ? Answer the question in g/mol.
-What is the molar mass of methanol if 1.555 mol methanol has a mass of 48.25 g? in g/mol -The active ingredient in a common treatment for upset stomach is sodium bicarbonate, NaHCO3. Calculate the percent, by mass, of hydrogen in sodium bicarbonate. -Calculate the formula mass of dibromomethane, CH2Br2 in amu -Determine the percent of water in MgSO4 · 6 H2O to three significant figures. -What is the percent by mass (mass percent) of potassium in potassium borohydride, KBH4?...
When you are taking 5.0 g of Salicylic acid(138.12 g/mol) for the synthesis of aspirin, what should be the theoretical yield in a) moles? b) mg? Please explain well and show all work!
Ethane (molar mass 30.07 g/mol) boils at-88.6℃ Methanol has almost the same molar mass (32.04 g mol), but boils at 65℃, which of the following BEST explains the reason for the large discrepancy in boiling point? Choose one: A. Ethane is ionic and, therefore, has a lower boiling point. B. Methanol is ionic and, therefore, has a higher boiling point. C. Both compounds only exhibit van der Waals forces. D. Both compounds are polar. Methanol is more polar than Ethane....
Ester= Isoamyl acetate (banana) Molar mass of banana= 130.19 density= 0.876 g/ml 5.26 g ester product. Alcohol= isoamyl alcohol density= 0.81 g/ml Molar mass= 88.148 g/mol Quantity= 5.4 ml Carboxylic acid= acetic acid density= 1.05 g/ml Molar mass= 60.052 g/mol Quantity= 11.4 ml and 1 ml of concentrated H2SO4 (1.8 g, 0.018 mole) was also used in the procedure. Calculate theoretical yield and % yield .
You have 5.0 g of Salicylic acid(138.12 g/mol), which is 90% pure. Calculate the number of moles of aspirin formed when the actual yield is 75%. I will rate well for the correct answer with a complete explanation. Thanks!
Which of the following is the strongest acid? chloroacetic acid (molar mass: 94.49 g/mol; Ka = 1.4 x 10-3) formic acid (molar mass: 46.03 g/mol; Ka = 1.8 x 10-4) propionic acid (molar mass: 74.08 g/mol; Ka = 1.3 x 10-5) hypoiodous acid (molar mass: 143.89 g/mol; Ka = 2.0 x 10-11) acetic acid (molar mass: 60.05 g/mol; Ka = 1.8 x 10-5)
1. A weak monoprotic acid has molar mass 180 g/mol. When 1.00 g of this acid is dissolved in enough water to obtain a 300 mL solution, the pH of the resulting solution is found to be 2.62. What is the value of Ka for this acid? 2. A weak monoprotic acid has pKa = 3.08. Calculate the percent ionization of a 0.35 M solution of this acid. 3. Calculate the pH of a solution that is 0.050 M in CH3COOH...