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Calculate the molarity of a solution of ethanol in water in which mole fraction of ethanol is 0.040.

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Calculate the molarity of a solution of ethanol in water in which mole fraction of ethanol is 0.040.

(a)  2.31 M

(b)  0.213 M

(c)  0.0213 M

(d) 23.1 M

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Correct option  (a) 2.31 M

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