PH. What is pH? pH is a measure of the acidity, [H + ], or basicity (alkalinity), [OH - ], of a solution. The scale is typically measured from 0 to 14.
Acids and Bases .
Baxter State Park, Maine: the Knife Edge Trail at the north end of the Appalachian Trail.
ACID PRECIPITATION CHAPTER 12 SESCTION 3 CHAPTER 12 SESCTION 3.