A bottle of viranin water contains 3500 mg of potassium in 591.5 mg of H2O. What is the concentration of potassium by mass percent

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

What conclusion can you draw from this experiment about the components of the black ink?