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Worksheet Chapter 16 (2008)

# Worksheet Chapter 16 (2008) - WORKSHEET CHAPTER 16 Define...

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WORKSHEET CHAPTER 16 Define the following: A. autoionization- B. ion-product constant- C. pH- D. Bronsted-Lowry acid- E. amphoteric- F. conjugate acid- G. conjugate base- H. acid-dissociation constant- I. polyprotic acids- J. base-dissociation constant- K. hydrolysis- L. Lewis acid- M. Strong acid- N. Diprotic acid- O. oxyacids- P. Weak acid- Q. Strong Base- Solve the following: 1. Kw = [H + ][OH - ] = ___________________________ 2. If [H + ] is greater than 1 x 10 -7 it is ___________________ is less than 1 x 10 -7 , it is _____________________ is equal to 1 x 10 -7 , it is _____________________

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3. What is the concentration of [OH - ] when [H + ] = 2.45 x 10 -8 M __________________ 4. What is the pH for the above problem?__________________ 5. Calculate the pOH for an [OH - ] = 7.6 x 10 -4 M. What is the pH? ____________ ____________ 6. In problems 3 and 5, are they acidic or basic? 3. ________________ 5. _________________ 7. For a pH of 2.75, what is the concentration of [H + ]. What is the concentration of [OH - ]. _________ _________ 8. What are the conjugate bases of the following Bronsted-Lowry acids. a. HClO 2 __________________ b. H 2 S __________________ c. HSO 4 - __________________ 9. Designate the Bronsted-Lowry acids and base and conjugate acid and base for the following. NH 4 + (aq) + CN - (aq) HCN(aq) + NH 3 (aq) HCHO 2 (aq) + PO 4 3- (aq) CHO 2 - (aq) + HPO 4 2- 10. There are _______ strong acids. Name them. _________________ 11. Which group of elements make up strong bases. ______________ 12. What is the pH of a 0.004 M solution of HClO

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