The trace metal detection test is utilized to detect traces of metal left by carrying a gun in contact with skin. The test requires a 0.20% w/v solution of 8-hydroxyquinoline (C9H7NO) dissolved in isopropanol rubbing alcohol. Require to prepare 250mL of this solution.
A) How would you make this solution explain the process, including the amount of solute used?
B) Explain what is the molarity of 8-hydroxyquinoline in the solution?