Check In: A 0.10 M solution of which of the following would I have the lowest pH? a. 10- b. 102 C. 103 d. All have the same pH. e. Not possible to determine 87
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- For oxyacids, how does acid strength depend on a. the strength of the bond to the acidic hydrogen atom? b. the electronegativity of the element bonded to the oxygen atom that bears the acidic hydrogen? c. the number of oxygen atoms? How does the strength of a conjugate base depend on these factors? What type of solution forms when a nonmetal oxide dissolves in water? Give an example of such an oxide. What type of solution forms when a metal oxide dissolves in water? Give an example of such an oxide.Two students were asked to determine the Kb of an unknown base. They were given a bottle with a solution in it. The bottle was labeled aqueous solution of a monoprotic strong acid. They were also given a pH meter, a buret, and an appropriate indicator. They reported the following data: volume of acid required for neutralization = 21.0 mL pH after 7.00 mL of strong acid added = 8.95 Use the students' data to determme the Kb of the unknown base.Wed Mar 8 ilibrium arro... Question 3 of 16 > 1 Assignment Score: tan Learning pH = AA 2.3 Assessment - G... Incorrect 31.3% achieve.macmillanlearning.com Chempendix - S... QHow to distingui... Resources Ex Give Up? J If the K₂ of a monoprotic weak acid is 5.9 x 10-6, what is the pH of a 0.21 M solution of this acid? S If the K_a of Feedback
- Calculate the pH at 25 °C of a 0.75M solution of trimethylammonium chloride ((CH3), NHCI). Note that trimethylamine ((CH,),N pK, of 4.19. Nis a weak base with a Round your answer to 1 decimal place. pH = Explanation Check O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use| Privacy Acces APR W 12 MacBooCalculate the pH at 25 °C of a 0.62M solutlon of ethylammonlum bromide (C,H,NH,Br). Note that ethylamine (C,H,NH,) is a weak base with a p K, of 3.19. Round your answer to 1 decimal place. dlo pH Ar Explanation Check O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy Accessibility V i 3:47 9 0 hp esc & @ # $ 8. 7 3 4 1 y e tab * 00Calculate the pH of a solution that is made by dissolving 29343 grams of Sc(NO3); (M.M. 230.968 g/mol) in enough water to make 225.0 mL of solution pK, for Sc(H20),* = 4.61. %3D
- Calculate the pH of a 0.01 M NH4(CH3COO) given Kb=1.6E-5 for NH3 and Ka=1.754 E-5 for CH3COOH.A. 7B. 6.98C. 6.08D. 5.76Calculate the pH of the following: 500 ml of pure water 10.0 ml of 0.3 F hydrochloric acid added to pure water in (a). 500 ml butfer solution which is 1,0F with respect to nitrous acid and 2.0 F with respect to sodium nitrite. (Ka of nitrous acid acid - 4.0 x 10) d. 3. a. b. C. adding 5.0 ml of 0.3 F sodium hydroxide to the buffor solution in (c).A solution is prepared at 25 °C that is initially 0.24M in dimethylamine ((CH,), NH), a weak base with K, = 5.4 x 10, and 0.48M in dimethylammonium bromide ((CH3) NH,Br). Calculate the pH of the solution. Round your answer to 2 decimal places. pH = Explanation Check O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use PrivacyI Accessibility 17 MacBook Air
- 2. The Ka for benzoic acid (HC7H5O2), is 6.5 x 10-5. Calcuklate pH of a 0.10 M benzoic acid solution. 3. Calculate the pH of a 0.24 M solution of weak base A-1 that has a Kb of 2.5 x 10-6. Answer numbers 2 and 3 please.Calculate the pH at 25 °C of a 0.85M solution of ethylammonium bromide (C,H,NH,Br). Note that ethylamine (C,H,NH,) is a weak base with a pK, of 3.19. Round your answer to 1 decimal place. pH = [| Eglanation Check O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy Accessibilt 12 MacBook AirWhat is the expected pH of a 150.0 mL 0.250 M solution of HOCI which is diluted to a 500.0 mL mark with enough water to make the final HOCI stock solution. pka, HOCI = 7.40 Leave answer in 3 significant pH units (e.g. 4.25).