A 20mg sample of a compound is dissolved in 5.0 mL of water and extracted with 2.5 mL of heptane. After seperation of the layers, the heptane layer is found to contain 15 mg of the compound. What is the partition cofficient of the compound,

K(hept/water)

1 answer

See your post above.

Similar Questions

A 20mg sample of a compound is dissolved in 5.0 mL of water and extracted with 2.5 mL of heptane. After seperation of the

Top answer: K<sub>o/a</sub> = [(organic phase)/(aq phase)) Plug in 15/2.5 for organic phase Plug in 5/5 for aq Read more.
A) A compound distributes between water (solvent 1) and benzene (solvent 2) with Kp = 2.7. If 1.0g of the compoundwere dissolved

Top answer: I am Dr. Henary and I am very mad after seeing this. I will use a thicker accent for future lectures Read more.
Suppose that a compound Z had a partition coefficient of 8 in ether-water. If 10g of z was dissolved in 100mL of water, and if

Top answer: Yeah, Bob is wrong. What you would actually do for the following: a) Do the first extraction: Read more.
Suppose a compound Z had a partition coefficient of 8.0 in ether-water. If 10.0 g of Z was dissolved in 100 mL of water, and if

Top answer: K<sub>o/d</sub> = ( in organic layer)/(in water layer) Let x = Z in organic layer., then 10-x = Z in Read more.
A 16.0 g sample of a compound known to contain 3 ion species is dissolved in 100. g of water. The boiling point of the solution

Top answer: dT = i*Kb*m You know dT, i = 3, you know Kb, solve for m. Then m = mols/kg solvent. You know m and Read more.
a sample of a compound with a mass of 0.4168g is extracted from a plant. Decompostion of this sample produces 0.1667g of carbon,

Top answer: .1667/.4168 = .400 is Carbon = 40% .2223/.4168 = .533 is Oxygen = 53.3 % so .067 is H = 6.7 % Read more.
Which of the following describes the compound Mn(NO2)2?If the compound dissolved in water it would be a strong electrolyte. The

Top answer: Personally, I am not acquainted with Mn(NO2)2 and The Merck Index doesn't list it. From what I can Read more.
Salt is dissolved into a water solvent. Can the salt be extracted, and will it retain its properties?a Yes, it can be extracted

Top answer: c Yes, it can be extracted through evaporation. It does not retain its original properties. Read more.
LiI(s) → Li+(aq) + I‾ (aq)Solid LiI dissolves as shown in the above equation. A 8.00 g sample of LiI was dissolved in 57.5 g

Top answer: q = heat generated = mass water x specific heat water x delta T. Convert to kJ. Then kJ/8 = kJ/gram. Read more.
KCl(s) → K+(aq) + Cl‾ (aq)Solid KCl dissolves as shown in the above equation. A 6.60 g sample of KCl was dissolved in 42.3 g

Top answer: q = mass H2O x specific heat H2O x (Tfinal-Tinitial) That gives you q/6.60g KCl = q/gram. To convert Read more.