When of glucose (, molar mass ) is dissolved in of water, what is the elevation in boiling point? ( for water )

Answer and explanation

Correct answer: B.

  1. Step 1: Number of moles of glucose is .
  2. Step 2: Molality of the solution is .
  3. Step 3: Boiling point elevation is .
Answer
.
Why not the others: assumes of solute; multiplies by 10; and mistakenly doubles the molality.

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