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Two weak acids, HA and HB, have Ka values of 1.10-6 and 3.10-4,respectively. Their artition coefcients between water and ether are 12.2 for HA and...

for a general weak acid HA, only the protonated form (HA)!is soluble...A61BD961-F7EC-4ADB-8572-34E2685209A5.jpeg

A61BD961-F7EC-4ADB-8572-34E2685209A5.jpeg

Two weak acids, HA and HB, have Ka values of 1.0.10-6 and 3.0.10-4,respectively. Their
artition coefficients between water and ether are 12.2 for HA and 8.3 for HB. How many extractions are required (using Vetheerater=l) forthe removal ofHA (2 99%) fi‘om an aqueous solution,
while retaining RE (2 99%) in the aqueous solution HuttFmagmaflwukoeidHAanlythepmtomtedfamaiAfismhbkinm
whereabothdiepmtonuedmddcpromdM-Hmmsohbkinwfla. The
dism'butionutiom)hthis case isdefinedas: total concentration in other [HALM D“ - total concentration in water I [HA] + [4-]
Uscthisequationlodetiveonexpressionforfluinmofx- ”film/[HA] .K. and [15"] (not: an analogous «passion for 0...). Using Ibo
expressionfiocDmmdfiesepmfioncdurinfiorfmdeminethepflforwhichme
ctiteriaforHBissotisfiedmddecetmineDuotthispfl. Noualsothotthefiaction
ofHAmnaininginwammHocasinflemdonisfiveuby: Vince-r 1 q ' V..." + 0:1an ' 1 + Du(Vum/Vm)

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