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10. Rate = k [X][Y]'5 . The reaction order with respect to X is / a. 1.5 b. 1.0 c. 0.5 d. 2.0 11. If the pH at half way to the rst equivalence point

Exam review practice problems. Please answer step by step if possible. Thank you!Screen Shot 2018-05-14 at 10.22.08 AM.png

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10. Rate = k [X][Y]°'5 . The reaction order with respect to X is /
a. 1.5
b. 1.0
c. 0.5
d. 2.0 11. If the pH at half way to the first equivalence point is 3.20, pH at first and second equivalence points of a
diprotic acid are 7.20 and 13.45, respectively, which of the following is correct? / a. Kal = 7.20
b. pKa. = 13.45
c. Kal = 10'3”
d. Kal = 104145 12. Which of the following can NOT dissolve in GM NH4OH?
a. MS
b. AgCl
c. Ni(OH)2
d. Cu(OH)2

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2 comments
  • Thank you! but can you please expand on how you got to those answers
    • smina115
    • May 14, 2018 at 2:07pm
  • 10) power in[X] is the order w.r.t. X. 11) At half-equivalence point of first equivalence point pH = pKa1; pKa1 = 3.20 or, Ka1 = 10^-3.20 12) Except NiS all dissolves in NH4OH
    • Math_expert
    • May 15, 2018 at 2:03am

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