Chem 2 Chapter 15 and 16 - Exam#4 Chapter 15(couple 16...

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Exam #4 - Chapter 15 (couple 16) Sample Questions Multiple Choice ____ 1 In Bronsted-Lowry acid-base theory, an acid is defined as a substance which _________ and a base as one which _________. A generates H 3 O + ions in aqueous solution; generates OH - ions in aqeous solution B accepts a proton; generates OH- ions in aqueous solution C generates OH - in aqeous solution; generates H 3 O + ion in aqueous solution D generates H 3 O + ions in aqueous solution; donates a proton E donates a proton; accepts a proton ____ 2 Which of the following can act as a Bronsted-Lowry base, but not as a Bronsted-Lowry acid? A HPO 4 2- B H 2 O C NH 4 + D PO 4 3- E HSO 4 - ____ 3 The conjugate base of NH 3 is _________. A H 2 O B OH - C D NH 4 OH E ____ 4 Calculate the pH of a solution where [OH - ] = 4.6 0 10 -4 . Is this solution acidic or basic? A 3.34; acidic B 3.34; basic C 9.40; basic D 10.66; acidic E 10.66; basic ____ 5 A buffer solution is one which A contains more than the expected amount of solute for a particular temperature and
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Chem 2 Chapter 15 and 16 - Exam#4 Chapter 15(couple 16...

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