Consider the following molecules and their properties for point questions 7-9 Po

Question

Consider the following molecules and their properties for point questions 7-9 Polybrominated diphenyl ethers Kow Boiling Point (C) 300 Br Br penta-brominated diphenyl ether 6.27 320 Br deca-brominated diphenyl ether 6.29 330 Br Br Br Br octa-brominated diphenyl ether 7. Kow is a partitioning coefficient of molecules between octanol and water. A larger number mkans the moleculke preicrefially pariions io iheociaol. Wri the mathemaücal cxprossion for Kow for the penta-brominated diphenyl ether Your answer

Explanation / Answer

Mathematical Expression for Kow for the penta-brominated diphenyl ether is as follows:

LogKoc = 1.00*LogKow - 0.21

LogKow = LogKoc + 0.21

Where Koc = Organic carbon-water partition coefficient

Formula of Koc = (chemical concentration sorbed to organic carbon (mg/g)) / (chemical concentration in water (mg/ml))

Kow = Octanol-water partition coefficient

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