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Extract a solute from 100 mL of water using only 300 mL of ether. The partition coefficient between ether and water is 3.0. Calculate q, the fraction of solute that would remain in the water under each of the following extraction conditions: Three extractions with 100 mL of ether; Three extractions with 100 mL of ether: six extractions with 50 mL of ether.
Calculate the molar solubility of lead thiocyanate in .900M KSCN ,when the Pb(SCN)2 has a Ksp value =2.00X10^-5, Calculate the molar solubility of MX (Ksp rate =1.27X10^-36) in pure water.
What is the molar mass of a nonelectrolyte compound if 3.42 grams of the compound dissolved in 41.8 grams benzene begins to freeze
What is the magnitude of the change in pH when 1.8 g of NaOH is added to 1.00 L of a solution that is 0.100 M in NH3 and 0.100 M in NH4Cl?
We have a 100mL 0.2M AgNO3 solution and a 100mL 0.2M CH3COONa solution. Please describe how to prepare a 35 mL mixture solution containing 60mM AgNO3 and 140mM CH3COONa?
If the BaSO4 residue was baked in an oven at 100C for several hours rather than air drying, what effect would this have on its mass and how would the initial concentration of H2SO4 be affected
If 24g Mg is used the percentage yield is 95% how many gramns of magnesium hydroxide should be recovered? Write balanced equation for reaction.
Explain why dichloroethene has a boiling point of 60 degrees C while trans-dichloroethene as a boiling point of 48 degrees C. Include drawings of the structures with dipoles in your answer.
exists for each of these chemical reaction types above and why might it be of importance to healthcare professionals?
What is the osmotic pressure of a solution made from dissolving 85.0g of glucose in 800ml of water at 19.0 C.
why are elements such as Hg, As, Bi, Sb and others first converted to their hydrides prior to sample analysis by Atomic Absorption Spectroscopy?
What are the concentrations of all species and the pH of a buffer solution that is 0.30M NH3 and 0.3 0M NH4Br? For NH3 Kb = 1.8 X 10-5.
However, 1,2-dichlorobutane was more than twice as present in the products as 1,3-dichlorobutane. Account for the differencees between the two.
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