Explain what practical advantage does an extraction solvent

Reference no: EM13314490

What practical advantage does an extraction solvent that is denser than water have over one that is less dense?

Reference no: EM13314490

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Explain what weight of caffeine would be recovered : Chloroform is an excellent solvent for extracting caffeine from water. KD = 9 for caffeine in chloroform-water at 25 degrees celecius. What weight of caffeine would be recovered from a solution of 4.0 g caffeine in 100 mL water by a single extract..

Define what is the ph of 0.121 mol/l h2so3(aq) at 25oc : Sulfurous acid, H2SO3, is a weak diprotic acid (pKa,1=1.89 and pKa,2=7.21 at 25oC). What is the pH of 0.121 mol/L H2SO3(aq) at 25oC

Explain what volume of ether would be required to extract : What volume of ether would be required to extract 0.95 g of aspirin from a solution of 1.0 g of aspirin in 100 mL of water in a single extraction

Define what is the percent ionization of ha : What is the percent ionization of HA in 0.11 mol/L HA(aq) if HA is a weak acid with pKa=6.00. Enter your answer accurate to three significant figures

Explain what practical advantage does an extraction solvent : What practical advantage does an extraction solvent that is denser than water have over one that is less dense

Find the intensity level of the sound wave due to ambulance : A sound wave from a police siren has an intensity of 103.1 W/m2 at a certain point; find the intensity level of the sound wave due to the ambulance?

Explain what is the enthalpy of this reaction : In a constant pressure calorimeter 25 mL of 1.0M NaOH reacts with 250 mL of 1.0M HCl and the temperature increases 6.0 degree celsius. What is the enthalpy of this reaction?

Create a public relations campaign for a financial : Create a public relations campaign for a financial institution that has recently received negative exposure in the media pertaining to its lack of responsiveness to those wishing to modify existing home loans.

What is the useful output power of the hoist : A 300-kg elevator is raised with a constant speed through a vertical distance of 100 m in two minutes. What is the useful output power of the hoist

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