Chemistry of Water 97 1. Knowing how important pH can be to living organisms, what effect does acid rain have on forests? 2. What does the "p" stand for in the term pH? 3. pH is a measure of ion concentration. 4. A pH of 3 would be... (circle your choice) Acid or Base 5. A pH of 11 would be . .. (circle your choice) Acid or Base 6. What is the relationship between H+ and OH- at a pH of 7? 7. How much more H+ is in water at a pH of 3 when compared to a pH of 6? 8. How much more OH- is in water at a pH of 11 when compared to a pH of 7?

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