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Which statement describes james chadwick’s discovery.

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer