wustl.edu wust.edu chemistry.wustl.edu Washington University: Acid Rain chemistry.wustl.edu http://www.chemistry.wustl.edu/~edudev/LabTutorials/Water... acidic rainwater Chemical Process of Acid Rain chemistry.wustl.edu acid rain acid rain of about 5.6 of about 5.6 of about 5.6 acid rain Department of Chemistry, Washington