A Solution Is Prepared by Dissolving 38

question 94

Multiple Choice

A solution is prepared by dissolving 38.6 g sucrose (C₁₂H₂₂O₁₁) in 495 g of water.Determine the mole fraction of sucrose if the final volume of the solution is 508 mL.

• A) 4.09 × 10^-3
• B) 7.80 × 10^-2
• C) 1.28 × 10^-3
• D) 7.23 × 10^-2
• E) 2.45 × 10^-3

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Fundamental elements or inputs needed for the functioning of an economy or ecological system, such as water, minerals, energy, and arable land.

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A highly contagious viral disease characterized by fever, weakness, and skin eruptions, eradicated by vaccination by 1980.