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Chemistry Quiz: Chapter 16 - Acids, Bases, and pH - Prof. Bruce Farris, Quizzes of Chemistry

Lansing Community CollegeChemistry
Prof. Bruce Farris

Material Type: Quiz; Professor: Farris; Class: General Chemistry Lecture I; Subject: Chemistry; University: Lansing Community College;

Typology: Quizzes

2011/2012

Uploaded on 04/15/2012

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Chapter 16 Quiz B
Name ______________________
1pt 1. Write the equation for the autoionization of water.
2pts 2. What is the pH of a solution in which the concentration of OH- is 1.5 x 10-11?
2pts 3. Complete the following:
a) The conjugate acid of HSO3- is ___________________
b) The conjugate base of NH4+ is ___________________
2pts 4. Which acid is stronger acid H2O or H2S? Explain your answer.
1pt 5. Predict whether a NH4Br solution is acidic, basic or neutral. In each case, explain your
answer using chemical equations.
2pts 6. Calculate the pH of a 0.025 M solution of sodium acetate (Na+C2H3O2-). The Ka of
acetic acid (HC2H3O2) is 1.8 x 10-5. Show all your work.

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Chapter 16 Quiz B Name ______________________ 1pt 1. Write the equation for the autoionization of water. 2pts 2. What is the pH of a solution in which the concentration of OH-^ is 1.5 x 10-11? 2pts 3. Complete the following: a) The conjugate acid of HSO 3 -^ is ___________________ b) The conjugate base of NH 4 +^ is ___________________ 2pts 4. Which acid is stronger acid H 2 O or H 2 S? Explain your answer. 1pt 5. Predict whether a NH 4 Br solution is acidic, basic or neutral. In each case, explain your answer using chemical equations. 2pts 6. Calculate the pH of a 0.025 M solution of sodium acetate (Na+C 2 H 3 O 2 - ). The Ka of acetic acid (HC 2 H 3 O 2 ) is 1.8 x 10-5. Show all your work.