Question

Mole fraction of ethanol in its 4.45 molal aqueous
solution is
(1) 0.02
(2) 0.25
(3) 0.074
(4) 0.045​

Answer 1

Answer:

0.045 us the correct answer

Answer 2

Answer:Hi!!!

For answer refer to attachment..

Option 3) 0.074

Explanation:The mole fraction of any component of a solution is defined as the ratio of the number of moles of that component present in the solution to the total number of moles of all components of the solution.

How to calculate ;-

The mole fraction formula for a solution with containing one or more solutes is: Mole fraction of each solute = Number of moles of that solute divided by the total number of moles of all solutes and the solvent.

"Ethanol is considered a universal solvent, as its molecular structure allows for the dissolving of both polar, hydrophilic and nonpolar, hydrophobic compounds"

"But here answer will as by assuming water as solvent."

Hope you get answer.

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