MHT CET Chemistry question

Chemistry Solutions MHT CET

Calculate the mole fraction of ethylene glycol () in a solution containing 20% by mass

(A)0.92Correct
(B)0.76
(C)0.82
(D)0.36

Answer: (A)

Solution

In 100 g solution: glycol 20/62 = 0.323 mol and water 80/18 = 4.44 mol, so and ; the

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Question ID VK-061247