Envs 1126 certification - Study guides, Class notes & Summaries

what is pH - indicator of the concentration of hydrogen ions (H+) in a solution ((acidity level)) what is the relationship/formula between the pH value and hydrogen ions [H+] - pH = - log([H+)] inverse relationship! how can you tell which pH value is most acidic - the lower the number, the more acidic it is atmospheric carbon dioxide dissolved in moisture in atmosphere to form ________ ________ - carbonic acid natural, unpolluted rain has a pH of _______ - 5.0