10
QuizMultiple Choice

Lab: Calorimetry and Specific Heat — Unit test

Question 10 • Chemistry A.1 - F26 - Jacob Metsker

Which is true about the dissolving process in water?

Answer
A
Polar solutes do not dissolve easily in water.
B
Water molecules are attracted by solute ions at the surface of the solute.
C
Water molecules move throughout the solute.
D
Solute molecules pull water molecules away from the surface.

Explanation

Water is polar, so its partially charged ends are attracted to charged solute ions at the solute’s surface. These attractions help separate the ions and surround them as they dissolve. Therefore, the true statement is that water molecules are attracted by solute ions at the surface of the solute.

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