Thursday
April 17, 2014

Search: theoretical yield of sulfanilamide in ethyl alcohol

Number of results: 539,763

Dr.Bob (about finding the ml of ethanol)
Since the solubility of sulfanilamide at 0 C is 14mg/mL, do I multiply 1.5mL and 14 to get how much sulfa will remain in the mother liquor?
Monday, September 3, 2007 at 10:11pm by Mara

chem
Here is a worked example of a stoichiometry problem to find the theoretical yield. % yield = (actual yield/theoretical yield)*100 = ?
Wednesday, February 1, 2012 at 7:55pm by DrBob222

Chemistry
For the Following sets of compounds determine the best solvent, by looking at structure, also by looking at solubility vs. temp. Which is the best solvent for crystalization, in which the compound is too soluble, and in which solvent the compound is not sufficiently soluble? 1...
Tuesday, September 21, 2010 at 12:19pm by Tammy

Chemistry
what is percent yield?
Tuesday, October 15, 2013 at 7:07am by University of Zambia

science
please help me with the following: The methanol production process is operated at 250 - 300 ºC & @ pressures of 50 - 100 atmospheres in the presence of a copperbased catalyst. Comment on whether these operating conditions, 250 - 300 ºC & 50 - 100 atmospheres, are consistent ...
Saturday, February 10, 2007 at 4:44pm by LOST IN SCIENCE

CHEMISTRYYY
This is a limiting reagent problem. How do I know that? Because amounts for BOTH reactants are given. Write the equation and balance it. 2a. Convert 20.2 g ethylene to mols. mols = grams/molar mass. 2b. Do the same for HCl. 3a. Using the coefficient in the balanced equation, ...
Friday, April 20, 2012 at 12:51pm by DrBob222

Into to Ethics in Policing
I need to explain the ethcial frameworks used in the movie "A Time to Kill."
Thursday, October 14, 2010 at 7:21am by University of Phoenix

DESPERATE NEED OF HELP--Chemistry, almost done
Calculating Yield--need some help finishing problem. Almost done, just need help one ONE step, please help!!? Well we did a lab on limiting reagent/reactants. The balanced equation is Sr(NO3)2 + 2KIO3 --> Sr(IO3)2 + 2KNO3 Mols of Sr(NO3)2 used was .005023 mol and Mols of ...
Wednesday, February 28, 2007 at 9:59pm by Angie

Chemistry
Methyl alcohol (wood alcohol), CH3OH, is produced via the reaction CO(g) + 2 H2(g) à CH3OH(l) A mixture of 1.20 g H2(g) and 7.45 g CO(g) are allowed to react. 4 points (a) Which reagent is the limiting reagent? (b) What is the yield of CH3OH? [Assume theoretical yield in g is ...
Thursday, May 5, 2011 at 10:44am by Loren

chem
An 80 proof brandy is 40.0% (v/v) ethyl alcohol. The "proof" is twice the percent concentration of alcohol in the beverage.How many milliliters of alcohol are present in 700mL of brandy?
Thursday, November 8, 2012 at 5:18pm by tracy

Some Lab Question (s)
Yes...another calculation problem. Rxn: 1ml isopentyl alcohol + 1.5ml glacial acetic acid + 3 drops sulfuric acid=> isopentyl acetate to calculate the theoretical yield.. I know that the acetic acid is in excess but how would I calculate the theoretical yield? is it just ...
Saturday, March 8, 2008 at 11:37pm by ~christina~

Chemistry - Mass-Mass conversion & Percent yield
1. find how many moles of N2 is 100g. Then you should get twice that amount of moles of ammonia. Convert that to grams. percent yield=massgot/masshould 2. figure the moles of aluminum, and moles of chlorine. for each mole of aluminum, you should have 1.5 moles of chlorine. If ...
Thursday, February 21, 2013 at 2:08pm by bobpursley

Mole fractions in a liquid mixture:
When I did that I got this: 2.6 for acetone mole fraction 1.4 for ethyl acetate mole fraction 119 acetate vapor 30 ethyl acetate vapor None of those answers were correct. :[
Thursday, September 2, 2010 at 4:37pm by Sar

Chemistry 2
ethyl acetate + water ---> ethyl alcohol + acetic acid Once stoppered and allowed to reach equilibrium again. It will be in the reverse direction ethyl alcohol will react with acetic acid to form water and ethyl acetate
Friday, August 3, 2012 at 12:42pm by Kait

chemistry
Acetic acid (CH3COOH) reacts with isopentyl alcohol (C5H12O) to yield the ester isopentyl acetate which has the odour of bananas. If the yield from the reaction is 45%, how many grams of isopentyl acetate are formed when 3.90 g of acetic acid and 6.28 grams of isopentyl ...
Thursday, November 17, 2011 at 3:47pm by kim

physics
A Pyrex flask in a refrigerator at -8 degrees Celsius is filled to the top and holds exactly 1000cm^3 of ethyl alcohol. If the refrigerator fails, how much alcohol spills by the time the temperature reaches 22 degrees Celsius? The coefficient of volume expansion of ethyl ...
Monday, November 8, 2010 at 12:41pm by Farah

physics
Multiply the heat of vaporization of ethyl alcohol by the mass. The heat of vaporization of ethyl alcohol is about 200 cal/g.
Sunday, November 11, 2012 at 10:24pm by drwls

chemistry
how many grams of ethyl alcohol are needed to produce 1 L of a 2 mM solution if 1 mole =46g of ethyl alcohol. how do you calculate?
Sunday, February 7, 2010 at 2:39pm by Chris

Chemistry
Which would be more effective in lowering the freezing point of 500 g of water? 100 g of sucrose or 100 g of ethyl alcohol?
Tuesday, November 9, 2010 at 9:53pm by Sarah

chemistry
what is the height of the ethyl alcohol that exactly fills a 200.0mL container? the density of ethyl alcohol is 0.789/mL
Monday, October 1, 2012 at 4:32pm by Alexis

Science
What is the mass of ethyl alcohol that fills a 0.200 L container? The density of ethyl alcohol is 0.789 g/mL.
Sunday, August 25, 2013 at 4:45pm by Brook James

Chem
%yield = (actual/theoretical)*100 = ??
Sunday, July 18, 2010 at 5:25pm by DrBob222

Chemistry
A 7.83 g sample of NaCl is dissolved in 90.00 mL of ethyl alcohol solution. Calculate the molar concentration of the solution.
Friday, December 7, 2012 at 1:06pm by Monica

organic chemistry
Michael & Aldol Condensation Reaction We are preparing an a,b-unsaturated ketone via Michael and aldol condensation reactions. The reactants are trans-chalcone and ethyl acetoacetate (in ethanol and NaOH). This creates 6-ethoxycarbonyl-3,5-diphenyl-2-cyclohexenone. What I'm ...
Thursday, September 29, 2011 at 9:30pm by Anonymous

organic chemistry
Michael & Aldol Condensation Reaction We are preparing an a,b-unsaturated ketone via Michael and aldol condensation reactions. The reactants are trans-chalcone and ethyl acetoacetate (in ethanol and NaOH). This creates 6-ethoxycarbonyl-3,5-diphenyl-2-cyclohexenone. What I'm ...
Thursday, September 29, 2011 at 9:31pm by Anonymous

organic chemistry
Michael & Aldol Condensation Reaction We are preparing an a,b-unsaturated ketone via Michael and aldol condensation reactions. The reactants are trans-chalcone and ethyl acetoacetate (in ethanol and NaOH). This creates 6-ethoxycarbonyl-3,5-diphenyl-2-cyclohexenone. What I'm ...
Thursday, September 29, 2011 at 9:38pm by Anonymous

General Chemistry
%yield = (actual yield/theoretical yield)*100 = ??
Wednesday, December 8, 2010 at 10:01pm by DrBob222

chemistry
%yield = (actual yield/theoretical yield)*100 = ?
Thursday, April 19, 2012 at 8:05pm by DrBob222

chemistry
%yield = (actual yield/theoretical yield)*100 = ?
Sunday, September 16, 2012 at 6:58pm by DrBob222

Chemistry
Percent yield = (actual yield/theoretical yield) *100 = ?
Wednesday, March 20, 2013 at 6:22pm by DrBob222

Chemistry
%yield = (actual yield/theoretical yield)*100
Tuesday, October 15, 2013 at 7:07am by DrBob222

science chemistry
in which of the following the inter-particle forces of attraction are the strongest? A)sodium chloride B)glycerine C)ethyl alcohol D)carbon dioxide
Monday, August 29, 2011 at 9:36am by nupur

chemistry questions
how do you distinquish between a limiting reactant and the excess reactant in a chemical reaction? b) how do you distinguish between the theoretical yield and actual yield in stoichiometric calculations and how does the value of the theoretical yield generally compare with the...
Thursday, April 17, 2008 at 9:12pm by john

chem
well..for the solubility question. I say that ethyl alcohol is more soluble in water because of it's ability to have hydrogen bonding
Monday, May 5, 2008 at 9:42pm by ~christina~

physics
You have exactly 1 L of ethyl alcohol at room temperature 23 C. You put it in a refrigerator at 4 C.What's its new volume?
Thursday, April 19, 2012 at 7:01am by I

chemistry
Find te Yield of Carbon Dioxide in an Alkaseltzer Reaction. Equation: HCH3COO (Acetic Acid)+ NaHCO3 (Sodium Bicarbonate) -> NaCH3COO+ H20 (water)+ CO2 (Carbon Dioxide) So i know to find the Yield its Actual Yield / Theoretical Yield. How do i find the Theoretical Yield and ...
Friday, April 15, 2011 at 9:56pm by Sara

Physics
The string is 1.40 m long with tension 12.00 N. The total mass of the string is 0.010 kg. Find the wavelength of this standing wave in meters
Thursday, March 31, 2011 at 6:12pm by College student in need of help

PHYSICS PLEASE HELP
This question has two parts: First: A typical steel B-string in a guitar resonates at its fundamental frequency at 240 Hertz. The length of the string is 0.640 m. What is the wave velocity along the string?. Second: Find the wavelength of the third harmonic of the guitar string
Thursday, March 31, 2011 at 6:11pm by College student in need of help

Physics
Let's consider some of the things that affect the velocity of a standing wave on a string: decide whether each of the following statements are T-True, or F-False. (If the first is T and the rest are F, enter TFFFF) A) The velocity of the wave traveling on a string is higher if...
Thursday, March 31, 2011 at 6:08pm by College student in need of help

Physics you probably understand
A typical steel B-string in a guitar resonates at its fundamental frequency at 240 Hertz. The length of the string is 0.640 m. What is the wave velocity along the string?
Thursday, March 31, 2011 at 6:09pm by College student in need of help

Physics that you probably know and i don't
The tension in the above string is 89.6 N. Calculate the mass of a 4 m long piece of the steel string.
Thursday, March 31, 2011 at 6:09pm by College student in need of help

Simple Physics
Decide whether each of the following statements are T-True, or F-False. (If the first is T and the rest are F, enter TFFFF) A) If you decrease the tension in a string, the frequency of its fundamental vibration will get lower B) If you have a standing wave with frequency 5 ...
Thursday, March 31, 2011 at 6:07pm by College student in need of help

Math
Refer to the following chart. Using the equation (body-size factor X height in centimeters = volume of lungs), calculate the difference in the lung volumes of a male athlete who is 62 inches tall and a female athlete who is 56 inches tall. Show your work. Body-Size Factor Body...
Monday, October 1, 2012 at 2:28pm by In need of an answer fast!

Math
(I know but I tried to make it into a chart)
Monday, October 1, 2012 at 2:28pm by In need of an answer fast!

Algebra
the base of isosceles triagle is 5 m less than 4 times the length of a side. The perimeter is 67, find the length of each side and the base
Monday, September 30, 2013 at 10:06pm by Mayi - In need of help - Please :)

chem
Follow the steps in this example stoichiometry problem. This will give you the theoretical yield. Then percent yield = (actual yield/theoretical yield)*100 = ?
Thursday, February 9, 2012 at 8:28pm by DrBob222

Chemistry
what is the theoretical yield of Sodium Hydroxide
Monday, May 2, 2011 at 5:58pm by bob

org. chem
Give IUPAC name of the products of the dehydration of this alcohol? 2-ethyl cylcopentanol
Monday, March 4, 2013 at 6:17pm by meghan

chemistry
1. 30.0 ml of ethyl alcohol(density=0.790g/ml)are added to a graduated cylinder that weighs 44.28 grams. what will be the mass of the graduated cylinder plus the alcohol(in grams)?
Thursday, September 22, 2011 at 7:04pm by ann

chemistry
Ethyl alcohol does not dissociate in water; therefore, a 1.0M solution is 1.0 osm/L
Saturday, April 9, 2011 at 11:51pm by DrBob222

chemistry
if 3.ooml of cyclohexanol were used in the dehydration reaction, what is the theoretical yield of cyclohexene?
Monday, November 1, 2010 at 9:19pm by Jill

Chemistry!
What is theoretical yield when 15.6g of bromobenzene & 8.3g of methyl benzoate is used in a Grignard reaction.
Thursday, December 9, 2010 at 1:42am by margrav2

Chemistry
Convert 50.0 g SiO2 to moles. moles = grams/molar mass Using the coefficients in the balanced equation, convert moles SiO2 to moles SiC. Convert moles SiC to grams. grams = moles x molar mass. This is the theoretical yield of SiC in the reaction. %yield = (actual yield/...
Sunday, March 28, 2010 at 6:34pm by DrBob222

alcohol counselor
Only YOU can answer this. Notice: "you have learned about so far" Please note that no one here will do your work for you. However, we will be happy to read over whatever YOU THINK and make suggestions and/or corrections. Please post what you think.
Thursday, September 29, 2011 at 8:57am by Writeacher

chemistry
What will be the concentration % of 50ml ethyl alcohol and 150 ml water
Monday, July 4, 2011 at 10:43am by Manan

chemistry
find the density of ethyl alcohol if 80.0 cm^3 "weighs" 63.3g.
Tuesday, September 27, 2011 at 6:21pm by steven

chemm
find the density of ethyl alcohol if 80.0 cm^3 "weighs" 63.3g.
Tuesday, September 27, 2011 at 7:18pm by steven

Chemistry
How much heat needs to be released if 95g sample of ethyl alcohol condenses?
Wednesday, April 17, 2013 at 8:50pm by Patti

Chemistry
You must first determine the theoretical yield. That is a regular stoichiometry problem. Write and balance the equation, convert 400 g copper(II) perchlorate to moles, then convert moles of the perchlorate to moles of the product(Cu). Finally, convert moles of copper to grams...
Thursday, March 25, 2010 at 10:22pm by DrBob222

chemistry
10Cl2 + P4 ==> 4PCl5 Convert 2.5 mol Cl2 to mols PCl5 using the coefficients in the balanced equation. That is the theoretical yield of the reaction. Then % yield = [theoretical yield/actual yield]*100. The actual yield is given in the problem as 0.5 mol.
Tuesday, December 11, 2007 at 12:47am by DrBob222

Chemistry
1.87 g Al = ?? moles. moles = 1.87/molar mass Al. Using the coefficients in the balanced equation, convert moles Al to moles Cu. Now convert moles Cu to grams. g = moles x molar mass Cu. This is the theoretical yield of the reaction. %yield = (actual yield/theoretical yield)*...
Saturday, March 27, 2010 at 7:28pm by DrBob222

chemistry
I have to find the theoretical yield of acetylsalicylic acid in the exeriment? I used 5.0 mL acetic anhydride which is about 5.40 grams. When I calculated the theoretical yield, I got 9.53 grams. Is this number correct?
Wednesday, April 4, 2012 at 3:08pm by casey

Dr.Bob the question Ihad reposted (NOT the old one
Yes...another calculation problem. Rxn: 1ml isopentyl alcohol + 1.5ml glacial acetic acid + 3 drops sulfuric acid=> isopentyl acetate to calculate the theoretical yield.. I know that the acetic acid is in excess but how would I calculate the theoretical yield? is it just ...
Sunday, March 9, 2008 at 8:46pm by ~christina~

Chemistry
Convert 100 g salicylic acid (SA) to moles. moles = grams/molar mass Using the coefficients in the balanced equation, convert moles SA to moles of the product. (The ratio is 1:1). Now convert moles aspirin to grams aspirin. grams = moles x molar mass. This is the theoretical ...
Saturday, February 27, 2010 at 10:58pm by DrBob222

Analytical Chemistry
a.) % mass of acetone= (mass of solute/mass of solute=mass of solvent)100 *to get the mass you must find the mass by getting it in the given density and volume. =(2.65/27.65+39.45)100 =(27.65/67.1)100 =41.21% b.) % volume of ethyl alcohol= (volume of ethyl alcohol/total volume...
Friday, February 26, 2010 at 6:37pm by ruzzelle

physics
330 mL is water and container. 120 mL of ethyl alcohol was added. Divide that mass by the alcohol density for the volume of alcohol added.
Sunday, December 4, 2011 at 10:08pm by drwls

Theoretical Calculus
I have too much swag
Wednesday, October 16, 2013 at 6:08pm by Ivanna P Budly

science
it is an organic molecule, ethyl alcohol
Sunday, September 6, 2009 at 7:04pm by bobpursley

Dr.Bob the question Ihad reposted (NOT the old one
1ml isopentyl alcohol + 1.5ml glacial acetic acid + 3 drops sulfuric acid=> isopentyl acetate to calculate the theoretical yield.. I know that the acetic acid is in excess but how would I calculate the theoretical yield? is it just find moles acetic acid (know excess) and ...
Sunday, March 9, 2008 at 8:46pm by DrBob222

Mole fractions in a liquid mixture:
Acetone, C3H6O, and ethyl acetate, C4H8O2, are organic liquids often used as solvents. At 30 degrees C, the vapor pressure of acetone is 285 mm Hg and the vapor pressure of ethyl acetate is 118mm Hg. the solution is prepared at 30 degrees C by dissolving 27.0 g of acetone in ...
Thursday, September 2, 2010 at 4:37pm by Sar

physics
Brandy is made by distilling ethyl alcohol, which is done by boiling the alcohol until it turns into a gas. How much heat is required to completely distil 0.750 kg of ethyl alcohol?
Sunday, June 3, 2012 at 11:57pm by shan

physics
Brandy is made by distilling ethyl alcohol, which is done by boiling the alcohol until it turns into a gas. How much heat is required to completely distil 0.750 kg of ethyl alcohol?
Sunday, November 11, 2012 at 10:24pm by shan

chemistry - synthesis of aspirin
1 mol acetic anhydride + 1 mol salicylic acid = 1 mol aspirin I don't know the formulas (I could look them up but you probably have them) but the above tells you what you want to know. It's a 1:1 ratio throughout. You will need to calculate the mols salicylic acid and mols ...
Friday, April 6, 2012 at 4:23pm by DrBob222

Chemistry
try this; % yield = (exp. yield)/(theoretical yield) x100% where exp. yield is the experimental yield (what you actually get) theoretical yield is calculated from the equation using the mass of NH3 to determine the mass of NO. hope that helps
Monday, June 10, 2013 at 2:07am by bonjo

chemistry
What is the percent yield if 23.5 of ethyl chloride is actually formed?
Thursday, April 19, 2012 at 8:05pm by Anonymous

chemistry
For the clorobenzene problem. Convert 45.6 g benzene to moles. moles = grams/molar mass. Using the coefficients in the balanced equation, convert moles benzene to moles of the product. Now convert moles of the product to grams. g = moles x molar mass. This is the theoretical ...
Wednesday, March 31, 2010 at 7:35pm by DrBob222

chem
For a combination reaction, you have A + B ==> C A = 7.59g + B of 4.88 = 12.47 grams as the theoretical yield. %yield = (mass product/theoretical yield)*100 = ??
Wednesday, November 10, 2010 at 8:03pm by DrBob222

chem
theoretical yield and actual yield. Instead of theoretical yield, if you knew the name of the metal, an equation could be written and the theoretical yield could be calculated.
Thursday, April 8, 2010 at 3:58pm by DrBob222

Chemistry
1. Writ and balance the equation. 2. Convert 11.2 g methanol to moles. moles = grams/molar mass. 3. Using the coefficients in the balanced equation, convert moles methanol to moles of the product. 4. Now convert moles of the product to grams. g = moles x molar mass. This is ...
Wednesday, April 14, 2010 at 9:34am by DrBob222

Chemistry
Ethyl butyrate is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst. i) Given 8.45g of butanoic acid and excess ethanol, ...
Wednesday, September 19, 2012 at 9:46pm by grangeH

Chemistry * FIX
is the theoretical yield 6.00?
Monday, February 28, 2011 at 12:14am by Toni Jones

5 ways in which the human or environmental problem impact on the community
alcohol abuse poverty unemployment teenage pregnancy lack of knowledge
Friday, May 13, 2011 at 5:38am by Anonymous

5 ways in which the human or environmental problem impact on the community
Alcohol poverty unemployment teens pregnency lack of education
Friday, May 13, 2011 at 5:38am by Makhutso

Chemistry
mols NaHCO3 - grams/molar mass Use the coefficients to convert moles NaHCO3 to mols CO2. mols CO2 = mols NaHCO3 x (3 mol CO2/3 mol NaHCO3) = mols NaHCO3 x (3/3) = ? Convert mols CO2 to grams. g = moles x molar mass. This is the theoretical yield of CO2. You can't do percent ...
Tuesday, February 28, 2012 at 3:38pm by DrBob222

chemistry
for the reaction of 14.69 g of ethyl alcohol with 22.5 g of oxygen. which is the limiting reagent? how much CO2 will be produced? if 19.5 g of CO2 is actually produced, what is the percent yield? C2H5OH(1) + 3 O2 (g) - 2 CO2 (g) + 3H2O(g)
Tuesday, March 26, 2013 at 11:53pm by alex

chemistry
Since October 2004, Jack Daniels Tennessee whisky, produced in Lynchburg, TN, has been bottled at 80 proof (40% alcohol by volume). Given that the density of ethyl alcohol is 0.789 g/cm3, and that of water 1.00 g/cm3, calculate the concentration of the alcohol in (a) percent ...
Tuesday, March 13, 2012 at 12:39pm by brandi

physical science
Since October 2004, Jack Daniels Tennessee whisky, produced in Lynchburg, TN, has been bottled at 80 proof (40% alcohol by volume). Given that the density of ethyl alcohol is 0.789 g/cm3, and that of water 1.00 g/cm3, calculate the concentration of the alcohol in (a) percent ...
Tuesday, March 13, 2012 at 12:44pm by brandi

Physics
Glycerin is poured into an open U-shaped tube until the height in both sides is 20 {\rm cm}. Ethyl alcohol is then poured into one arm until the height of the alcohol column is 20 {\rm cm}. The two liquids do not mix. What is the difference in height between the top surface of...
Friday, December 7, 2012 at 10:29pm by Amanda

physics
Glycerin, of density 1260.0 kg/m3, is poured into an open U-shaped tube. Ethyl alcohol, of density 790.0 kg/m3, is then poured into one arm until the height of the alcohol column is 21.4 cm. The two liquids do not mix. What is the difference in height between the top surface ...
Thursday, December 3, 2009 at 6:43pm by Anonymous

chemistry
Listerine mouthwash is 21.6%ethyl alcohol by volume. What mass of ethanol is contained in 20.0 mL of mouthwash? (The density of ethanol is 0.789 g/mL.) Answer in units of grams
Wednesday, September 19, 2012 at 5:05pm by cheri

AP Chemistry
Listerine mouthwash is 21.6% ethyl alcohol by volume. What mass of ethanol is contained in 20.0 mL of mouthwash? (The density of ethanol is 0.789 g/mL.) Answer in units of grams
Wednesday, September 11, 2013 at 6:16pm by Gabriella

chem
In an experiment 4.0 g of ferrous ammonium sulphate, FeSO4.(NH4)2SO4.6H2O, is used. Since the oxalate in in excess, calculate the theoretical yield of the iron complex?
Wednesday, November 16, 2011 at 3:09am by Anonymous

chemistry
would it be: O.2576/0.7086=0.3635 0.3635 X 87.65= actual yield? A 2.30-mL sample of methane gas (density 0.112 g/cm3) was completely combusted. If the percent yield of each of the combustion products is 87.65%, calculate the actual yield in grams of carbon dioxide gas. * ...
Saturday, October 23, 2010 at 5:16pm by gary

Physical Education
A solid object floats on ethyl alcohol, with 68.2%of the object’s volume submerged .Find the density of the object. Take density of alcohol =806 kg/m
Monday, May 13, 2013 at 9:12am by Janaiby

Physics
The following are densities in kg/m^3: ethyl alcohol, 790; gasoline, 680; sea water, 1030; mercury, 13600.
Tuesday, November 10, 2009 at 9:51pm by Jasmine

Chemistry
Isoamyl salicylate (м = 208.25 g/mol) has a pleasant aroma and is used in perfumes and soaps. Which of the following combinations gives a 0.75 m solution of isoamyl salicylate in ethyl alcohol (d = 0.7893 g/mL)
Wednesday, February 27, 2013 at 2:27pm by Dee

Dr.Bob (about finding the ml of ethanol)
Do you have a lab text book? Perhaps it is written by Pavia or others. In many text books there is a graph of the solubility of sulfanilamide vs temperature for 95% ethanol... Look at the graph and determine the solubility at 78 deg C. Hint - it is bigger than 200 mg/mL. To ...
Monday, September 3, 2007 at 10:11pm by Dr Joe

chem132
When 15.0 g of ethyl alcohol, C2H5OH, is dissolved in 750 g of formic acid, the freezing point of the solution is 7.20 C. The freezing point of the pure formic acid is 8.40 C. Evaluate Kf for fomic acid.
Friday, July 16, 2010 at 12:42am by bree

chemistry
what is the molality of a 0.068M solution of ethyl alcohol in water at 25 degrees celsius. (assume the density of the solution at such a low concentration is equal to that of water at 25degrees celsius, 0.997g/ml)
Wednesday, February 2, 2011 at 6:02pm by belinda

chemistry
what is the molality of a 0.068M solution of ethyl alcohol in water at 25 degrees celsius. (assume the density of the solution at such a low concentration is equal to that of water at 25degrees celsius, 0.997g/ml)
Wednesday, February 2, 2011 at 6:14pm by belinda

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