Junior Level Hair Design Practice Exam

Which statement best describes a solution's distribution of molecules?

Uneven distribution Even distribution of two or more kinds of molecules No molecules present Particles settle quickly

Correct Answer:

Even distribution of two or more kinds of molecules

Explanation:

In a solution, the dissolved particles spread uniformly throughout the solvent, forming a homogeneous mixture where the composition is the same everywhere. This even distribution occurs because the solute molecules mix at the molecular level and remain dispersed rather than separating out. You can take samples from any part of a true solution and see the same proportions of solute to solvent, and the dissolved particles don’t settle to the bottom. That’s why an even distribution of two or more kinds of molecules best describes a solution’s arrangement. The other ideas describe nonuniform mixtures or scenarios where particles are large enough to settle or where there are no dissolved molecules at all, which don’t apply to true solutions.

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