Hi Gretchen, I believe it does take 21 days to change or create a habit although I think the statement should be rephrased to say it takes approximately 21 days of consistent daily behaviour combined with belief, faith, determination and emotional leverage or sincere desire to succeed to form new habits.
An example of a strong acid is hydrochloric acid. A strong acid has a pH of 1. hydrogen chloride (in water) hydrogen ion + chloride ion HCl(aq) H+(aq) + Cl-(aq). All of the hydrogen chloride molecules become hydrogen ions and chloride ions when they are dissolved in water (see examples of other strong acids).
Since both acids and bases dissolve in water to form ions, they are both electrolytes. However, most acids and bases do not completely dissociate to form ions, those that do are called strong acids or strong bases. 1  Strong acid/base Completely ionizes in solution. 2  Strong acid/base Strong electrolyte.3  Weak acid/base Partially ionizes in solution. 4  Weak acid/base Weak electrolyte.owever, most acids and bases do not completely dissociate to form ions, those that do are called strong acids or strong bases. 1  Strong acid/base Completely ionizes in solution. 2  Strong acid/base Strong electrolyte. 3  Weak acid/base Partially ionizes in solution.