A monoprotic acid, HA, with a Ka of 5.70 x 10- has a distribution constant (Kp) of 3.47 (favoring octanol) when distributed between water and octanol. Find the formal concentration of the acid in each phase when 100 mL of 0.100 M aqueous acid is extracted with 49 mL of octanol at pH 4.00 and pH 9.00. pH 4.00, in water: M pH 4.00, in octanol: pH 9.00, in water: M pH 9.00, in octanol:
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![**Problem Statement:**
A monoprotic acid, HA, with a Ka of \(5.70 \times 10^{-5}\) has a distribution constant (\(K_D\)) of 3.47 (favoring octanol) when distributed between water and octanol. Find the formal concentration of the acid in each phase when 100 mL of 0.100 M aqueous acid is extracted with 49 mL of octanol at pH 4.00 and pH 9.00.
**Tasks:**
- Determine the concentration at pH 4.00, in water: [_______] M
- Determine the concentration at pH 4.00, in octanol: [_______] M
- Determine the concentration at pH 9.00, in water: [_______] M
- Determine the concentration at pH 9.00, in octanol: [_______] M
This problem involves calculating the concentration of the monoprotic acid in each phase based on the pH and distribution constant.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F83ec917b-3e82-4dc1-b5e7-24fa4bff0896%2F19f972ab-f060-481d-882f-181196769e30%2F6jxj98c_processed.jpeg&w=3840&q=75)
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