교과서 질문(b) In the 1850s, Michael Faraday prepared ruby-redcolloids of gold nanoparticles in water that are still stabletoday. These brightly colored colloids look like solutions.What experiment(s) could you do to determine whether agiven colored preparation is a solution or colloid?108views
교과서 질문Choose the best answer: A colloidal dispersion of one liquidin another is called (a) a gel, (b) an emulsion, (c) a foam,(d) an aerosol133views
객관식A solution is prepared by dissolving 28.4 g of glucose (C6H12O6) in 355 g of water. The final volume of the solution is 378 mL. What is the molarity of the solution?773views
객관식What is the molarity of methanol in the solution prepared by dissolving 20.2 mL of methanol (CH3OH) in 100.0 mL of water at 25°C, given that the final volume of the solution is 118 mL and the density of methanol is 0.782 g/mL?698views