Answer Posted / bhupalreddy
A quantitative or qualitative test of a substance
(especially an ore or a drug) to determine its components;
An analysis of the composition or strength of a
substance, esp. a determination of the amount of metal in
an ore, alloy, etc.
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2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.
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