BSC 2010 Acid Base Problems Covered in Biology Lecture

BSC 2010 Acid Base Problems Covered in Biology Lecture -...

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Acid Base Problems Covered in Biology Lecture 1. The concentration of hydrogen ions = 0.00001. What is the pH? 2. The pH is 2. What is the concentration of hydrogen ions? 3. Convert 0.0001 into exponential notation. 4. Convert 1x10 -6 into decimal format. 5. Convert 1x10 5 into decimal format. 6. If the concentration of hydroxide is 0.001, what is the pOH? 7. If the pOH is 11, what is the concentration of hydroxide? 8. If the pH is 3, what is the pOH? 9. If the pOH is 5, what is the concentration of hydrogen ions? 10. Today the water in your pool has a pH of 6. Your cousin dumps 10 gallons of Chlorox in the pool. You again measure the pH, which is now 11. A) What is the difference in the concentration of hydrogen ions? B) What is the difference in the
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Unformatted text preview: concentration of hydroxide ions? 11. If the pH of a pond is 6, what is the concentration of hydroxide ions? 12. If your pool had a pH of 7 yesterday and today the pH is 12: A) What is the change in the concentration of hydrogen ions? B) What is the change in the concentration of hydroxide ions? Acid Base Problem Covered in Lecture : Answers 1. pH= - log concentration of hydrogen ions. pH= (-1)(-5) = 5 2. pH = 2, so 2= (-1) (?) therefore -2, so concentration is 1x10-2 3. 1x10-4 4. 0.000001 5. 100,000 6. 3 7. 1x10-11 8. 14-3= 11 9. 1x10-9 10. 10 5 and 10 5 11. 1x10-8 12. 10 5 and 10 5...
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