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10 drops of an oleic acid solution of concentration 1/400 cm3 per cm3 of alcohol are dropped on a water surface. The circular film thus produced has radius 10 cm. Find the molecular size of oleic acid , if the radius of each drop is 1.4 mm. |
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Answer» 10 drops of an oleic acid solution of concentration 1/400 cm3 per cm3 of alcohol are dropped on a water surface. The circular film thus produced has radius 10 cm. Find the molecular size of oleic acid , if the radius of each drop is 1.4 mm. |
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