An experiment was performed combining phthalimide, sodium hypochlorite and sodiu
ID: 936525 • Letter: A
Question
An experiment was performed combining phthalimide, sodium hypochlorite and sodium hydroxide. When 35 mg of the product was mixed with 0.46 g of camphor, the melting point was found to be 15Ceslius. Calculate the approximate molecular weight of the product if the melting point of pure camphor is 179 degrees Celsius and its freszing point depression constant is 40An experiment was performed combining phthalimide, sodium hypochlorite and sodium hydroxide. When 35 mg of the product was mixed with 0.46 g of camphor, the melting point was found to be 15Ceslius. Calculate the approximate molecular weight of the product if the melting point of pure camphor is 179 degrees Celsius and its freszing point depression constant is 40
Explanation / Answer
We know that ?T f = iKf m
Where
?T f = depression in freezing point = 179-15 = 164 oC
K f = depression in freezing constant = 40
i = vanthoff
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