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Ch.4 - Reactions in Aqueous Solution

Chapter 4, Problem 13.85b

(b) In the 1850s, Michael Faraday prepared ruby-red

colloids of gold nanoparticles in water that are still stable

today. These brightly colored colloids look like solutions.

What experiment(s) could you do to determine whether a

given colored preparation is a solution or colloid?

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