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Problem Solving Center
Quiz 1

1 .       Which of the following statements is true regarding strengths of acids and bases? 



2 .       A Brønsted-Lowry acid is defined as a substance that 



3 .       Identify the acid and base on each side of the following equation:

HSO3- + HPO42- SO32- + H2PO4- 



4 .       Milk of Magnesia antacid has a pH of 10.25. What is the [OH-] in this solution? 



5 .       Calculate the pH of a 0.0015 M HCl solution. 



6 .       The pH of a 0.25 M solution of HCN is 4.90. Calculate the Ka value for HCN. 



7 .       The Ka of nicotinic acid is 1.4 x 10-5. What is the percent ionization of nicotinic acid in a 0.10 M solution? 



8 .       Ka for HF is 6.8 x 10-4. What is the pH of a 0.35 M solution of HF? 



9 .       Given the following Ka values,
HC2H3O2 Ka = 1.8 x 10-5
HClO3 Ka = 5.0 x 102
HCN Ka = 4.9 x 10-10
HF Ka = 6.8 x 10-4
HOCl Ka = 3.0 x 10-8

which of the following is the weakest base? 



10 .       Which of the following is incorrect



11 .       Which one of the following does not act as an acid in water? 



12 .       Which one of the following salts will have a water solution with a pH less than 7? 



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