122_practice Final examV1ch16_17

122_practice Final examV1ch16_17 - Practice Final Exam...

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Practice Final Exam questions for Chapter 16 thru 17.3 Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) According to the Arrhenius concept, an acid is a substance that __________. A) reacts with the solvent to form the cation formed by autoionization of that solvent B) tastes bitter C) causes an increase in the concentration of H + in aqueous solutions D) is capable of donating one or more H + E) can accept a pair of electrons to form a coordinate covalent bond Page Ref: Sec. 16.1 2) A substance that is capable of acting as both an acid and as a base is __________. A) autosomal B) miscible C) autocratic D) conjugated E) amphoteric Page Ref: Sec. 16.2 3) What is the conjugate base of OH - ? A) O - B) H 3 O + C) O 2- D) H 2 OE ) O 2 Page Ref: Sec. 16.2 4) The concentration of water in pure water is approximately __________ M. A) 0.100 B) 18 C) 83 D) 100 E) 55 Page Ref: Sec. 16.3 5) What is the pH of an aqueous solution at 25 e C in which [H + ] is 0.0025 M? A) +2.60 B) -3.40 C) +3.40 D) +2.25 E) -2.60 Page Ref: Sec. 16.4 6) What is the pH of an aqueous solution at 25 e that contains 3.98 ˛ 10 -9 M hydronium ion? A) 8.400 B) 7.000 C) 9.000 D) 3.980 E) 5.600 Page Ref: Sec. 16.4 7) What is the concentration (in M) of hydronium ions in a solution at 25 e C with pH = 4.282? A) 9.71 B) 1.92 ˛ 10 -10 C) 5.22 ˛ 10 -5 D) 4.28 E) 1.66 ˛ 10 4 Page Ref: Sec. 16.4 8) Calculate the pOH of a solution at 25 e C that contains 1.94 ˛ 10 -10 M hydronium ions.
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122_practice Final examV1ch16_17 - Practice Final Exam...

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