What are the percent recovery of the substances (9-fluorenoneand benzoic acid) ?

What are the percent recovery of the substances (9-fluorenone and benzoic acid) ?

Expert Solution

queen_honey_blossom answered 2 years ago

Why might percent recovery be low during extractions? A mixture that contains benzoic acid, 4-chloroaniline and...

Why might percent recovery be low during extractions? A mixture that contains benzoic acid, 4-chloroaniline and naphthalene. The 4-chloroaniline is separated first by extraction with hydrochloric acid.Since no phenolic compound is present in this mixture, two extractions with base solution are not required; thus, the benzoic acid could be separated from the neutral compound by extraction with either aqueous sodium bicarbonate or aqueous sodium hydroxide solution. We have chosen to extract the acidic compound into the aqueous layer using sodium...

Calculate the apparent solubility of benzoic acid at pH 5. Benzoic acid is a weak acid,...

Calculate the apparent solubility of benzoic acid at pH 5. Benzoic acid is a weak acid, with pKa = 4.2 and solubility of nonionized species S0 = 0.028 mol/L. Please show steps

Calculate the percent ionization of benzoic acid at the following concentrations a).30 b) .00030

Pure Lauric Acid Lauric Acid + 0.4 g Benzoic Acid Lauric Acid + 0.5 g Benzoic...

Pure Lauric Acid Lauric Acid + 0.4 g Benzoic Acid Lauric Acid + 0.5 g Benzoic Acid Mass of Lauric Acid (g) 3.07 3.05 3.06 Mass of Benzoic Acid (g) 0 0.43 0.51 Freezing Point 43 38 37 Freezing Point Depression, DTf -5 -6 molality of Benzoic Acid in Lauric Acid ? ? Moles of Benzoic Acid ? ? Experimental Molar Mass of Benzoic Acid ? ? Average Molar Mass ? ? Percent Error ? ?

A benzoic acid solution (C6H5CO2H) has a pH of 2.80. Given that Ka of benzoic acid...

A benzoic acid solution (C6H5CO2H) has a pH of 2.80. Given that Ka of benzoic acid is 6.4x10–5, calculate the concentration and percent dissociation of this acid. Answer is 4.1%

Spectrophotometric Analysis of a Mixture: Caffeine and Benzoic Acid in a Soft Drink Benzoic Acid 230nm...

Spectrophotometric Analysis of a Mixture: Caffeine and Benzoic Acid in a Soft Drink Benzoic Acid 230nm 270nm 2mg/mL 0.231 0.034 4mg/mL 0.390 0.051 6mg/mL 0.539 0.058 8mg/mL 0.685 0.070 10mg/mL 0.888 0.094 Caffeine 230nm 270nm 4mg/mL 0.935 1.525 8mg/mL 0.285 0.442 12mg/mL 0.428 0.703 16mg/mL 0.624 1.066 20mg/mL 0.724 1.226 Soft Drink 230nm 270nm 2mL 0.738 0.273 4mL 1.313 0.522 Mountain Dew Caffeine:54mg/12fl oz Measure the ultraviolet absorption spectrum of the 2:100 and 4:100 dilutions of the soft drink. Find...

Suppose a 0.050 M benzoic acid, HC7H5O2 solution is prepared. The Ka for benzoic acid is...

Suppose a 0.050 M benzoic acid, HC7H5O2 solution is prepared. The Ka for benzoic acid is 6.3×10 −5. Calculate the pH of the benzoic acid solution. pH = ?

Given the following organic equation and data, calculate the experimental percent yield of benzoic acid in...

Given the following organic equation and data, calculate the experimental percent yield of benzoic acid in grams: 11.29 mL of ethyl benzoate was reacted with 6.3 grams of sodium hydroxide under reflux conditions using ethylene glycol and water as the solvents. After workup, 6.67 grams of benzoic acid was recovered. you will have to determine limiting reagent, calculate theoretical yield and finally, calculate the percent yield. Give answer in this format: XX.X %

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