1. A.The solubility of aspirin is 0.73 g/100mL in water, and 4.72 g/100 ml in ether. If 100 mL of ether is used to extract (4.29x10^-1) g of aspirin in 100 ml of water solution, how many grams of aspirin are extracted in the first extraction operation?
B. The solubility of aspirin is 0.73 g/100mL in water, and 4.72 g/100 ml in ether. If 100 mL of ether is used to extract (1.85x10^-1) g of aspirin in 100 ml of water solution, how many grams of aspirin are left in the original solution after the first extraction operation?
C. The solubility of aspirin is 0.73 g/100mL in water, and 4.72 g/100 ml in ether. If 100 mL of ether is used to extract (4.72x10^-1) g of aspirin in 100 ml of water solution, what percentage of solute is extracted in the first extraction operation?
1. A.The solubility of aspirin is 0.73 g/100mL in water, and 4.72 g/100 ml in ether....
Suppose compound X has a solubility of 20.0g per 100mL in ether and 12.1g per 100mL is water. In all cases, explain your reasoning and show your work clearly (i.e. show the equation(s) you are using, the values you plug in, and the final answers, BUT you don't need to show all the algebraic steps.) a. Determine the partition coefficient k. b. What mass of compound X will you retrieve when an aqueous solution containing 30.0g of X in 300.mL...
3. Match the following water solubility values with the correct structures below: 0.015 g/100 mL, 0.047 g/100 mL, 0.5 g/100 mL, 3.6 g/100 mL, 8.3 g/100 mL NH2 4. When performing the gravity filtration of sucrose from dichloromethane, you pre-wet your filter paper with water. What would result? 5. When performing a basic aqueous extraction with dichloromethane to separate aspirin from your unknown, why is it crucial to mix the two layers (aqueous and organic) thoroughly within the separatory funnel?
a. The solubility of potassium hydrogen carbonate (KHCO3) (100.115 g/mol) in water is 33.7 g/100 mL at 20 oC. Assuming no change in the volume of the water, what is the concentration of a saturated KHCO3 solution at 20 oC? [KHCO3] = ____ M b. How many grams of KHCO3 can be dissolved in 196.5 mL of water at 20 oC?
The extraction of 8.0 g of a particular organic compound dissolved in 100 ml of water into diethyl ether proceeds with a distribution coefficient of 5. How much of the compound is extracted after three separate extractions using 50 ml of diethyl ether each time? ***Please show work as I am not 100% sure how to solve for X**** Thank you!
The solubility of compound A ịn water at 25°C is 3.00 g/100 mL. In benzene at the same temperature, the solubility of compound A is 4.00 g/50mL. If 3 g of compound were dissolved in 100 mL of water, how much compound would be extracted by three 10-mL portions of benzene?
If the solubility of sodium chloride (NaCl) is 30.6 g/100 mL of H2O at a given temperature, how many grams of NaCl can be dissolved in 250.0 mL of H2O? If the solubility of glucose (C6H12O6) is 120.3 g/100 mL of H2O at a given temperature, how many grams of C6H12O6 can be dissolved in 75.0 mL of H2O? Only 0.203 mL of C6H6 will dissolve in 100.000 mL of H2O. Assuming that the volumes are additive, find the volume/volume...
1.) What percent recovery could be expected if 1.000 g of
caffeine was initially dissolved in 120 mL of water and then
extracted with a single 80 mL portion of ethyl acetate?
2.) What percent recovery could be expected if 1.000 g of
caffeine was initially dissolved in 120 mL of water and then
extracted as per the protocol given in the lab manual?
3.) Percent recovery and percent yield are occasionally used as
if they are interchangeable terms. They...
The solubility of benzoic acid in water is 0.05 g/100 ml at 0oC and 7.87 g/100 ml at 100oC. Answer the following questions if 5.69 grams of benzoic acid were to be heated to boiling in 100 ml of water. What would be the maximum possible percent recovery in a second batch, if the mother liquor was reduced to 44.09 ml, chilled in ice water and vacuumed filtered? Put your answer in 3 significant figures.
5. The solubility of KCl (in grams KCl/100 g of water) is 31.0 g at 10.0 °C, 34.0 g at 20.0 °C, 42.6 g at 50.0 °C, and 56.7 at 100 °C. a) You want to make a saturated solution of KCl at 50.0 °C using 2.00 L of water. How many grams of KCl are necessary to make this solution? You may assume that the density of water is 1.00 g/mL. b) You then take your saturated solution of...
The solubility of benzoic acid in water is 6.80 g per 100 mL at 100 °C and 0.34 g per 100 mL at 25 °C. Calculate the minimum volume of water needed to dissolve 1.00 g of benzoic acid at 100 °C. Calculate the maximum theoretical percent recovery from recrystallization of 1.00 g of benzoic acid from 15 mL of water, assuming the solution is filtered at 25 °C. How much benzoic acid can you dissolve in 25 mL of...