Use the References to access important values if needed for this question. A buffer solution contains 0.234 M C6H5NH3 Br and 0.315 M C6H5NH2 (aniline). Determine the pH change when 0.090 mol HI is added to 1.00 L of the buffer. (Assume Kb(C%HNH,)= 7.4 × 10-10 ) pH after addition - pH before addition = pH change = Submit Answer

Use the References to access important values if needed for this question. A buffer solution contains 0.234 M C6H5NH3 Br and 0.315 M C6H5NH2 (aniline). Determine the pH change when 0.090 mol HI is added to 1.00 L of the buffer. (Assume Kb(C%HNH,)= 7.4 × 10-10 ) pH after addition - pH before addition = pH change = Submit Answer

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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X ch b Answered: Determine the pH du X + agage.com/static/nb/u/evo/index.html?deploymentid=55750823468596024212874980&eISBN=9781305657571&snapshop=30540668d-155276463... 2 req 2 req 2 req 2 req 2 req R MindTap-Cengage Learning X Back F4 shown below. Design a buffer that has a pH of 7.19 using one of the weak base/conjugate acid systems Weak Base CH3NH2 C6H1503N C5H5N $1 5 6. Prepare Buffers by Direct Addition: This is group attempt 1 of 5 Si grams weak base How many grams of the bromide salt of the conjugate acid must be combined with how many grams of the weak base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams bromide salt of conjugate acid = 96 T F5 Kb 4.2×10-4 5.9x10-7 STE Conjugate Acid Ka CH3NH3 2.4×10-11 C6H1503NH+ 1.7×10-8 1.5x10-9 CsH5NH+ 6.7x10-6 F6 6 = Y X + F7 & 7 + Autosaved at 10:38 PM W F8 8 X F9 019 ( pka 10.62 7.77 5.17 9 F10 ☀- ) F11 0 @ F12 Regenerate Group (4) @ 1 Insert Next 10:38 11/3/2 PrtSc
ALEKS - Rafia Riaz - Knowledge CX b Answered: Order these chemical X b M Gmail T (10) Pyari Mona - Epis X M Inbox (1,691) - rrafia360@gmail.c X Ghi0 relative pH - Google Search www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-lvdw7xgLCkqMfg8yaFKbD9GafJstkYLIJnusuqH-p1X_sK5Jf4E3cmXkMkyF9tYadmgkkpbMT2ejVO2limOXTcRDH8UEjl_2?10Bw7QYjlba... M Gmail T YouTube Maps GTranslate Initial Knowledge Check The vapor pressure of Substance X is measured at several temperatures: 0 temperature vapor pressure 52. °C News 63. °C Type here to search 74. °C I Don't Know 0.0803 atm 0.124 atm College information 0.188 atm Use this information to calculate the enthalpy of vaporization of X. Round your answer to 2 significant digits. Be sure your answer contains a correct unit symbol. Submit A 0 μ x10 ロ・ロ X 00 Question 24 H © 2023 McGraw Hill LLC. All Rights Reserved. X Terms of Use 34°F + Privacy Center Rafia olo Ar Accessibility x Other bookmarks 10:29 PM 1/31/2023
MindTap - Cengage Learning xb Answered: Determine the pH du X static/nb/ui/evo/index.html?deploymentld=55750823468596024212874980&eISBN=9781305657571&snapshotid=3054066&d=155276463.. Back 47 Submit Answer Calculate pH of Buffer. ICE Method: This is group attempt 1 of 5 Calculate the pH of a buffer solution that is 0.116 M in C5H5N (pyridine) and 0.152 M in C5H5NHCI. 1 1.8 Use the References to access important values if needed for this question. X + P + W References PH 7 COND Autosaved at 10:37 PM g DEI * ^04) (0 Regenerate Group Ох Next H : 10:37 PM 11/3/2022 1 A-
Trial 1: Initial pH= 3.92mL Mass of KHP and Paper= 0.868g Mass of paper= 0.357g Mass of KHP= 0.511g Trial 2: Initial pH= 4.09ml Mass of KHP and Paper= 0.870g Mass of paper= 0.359g Mass of KHP= 0.511g 1)Use Kb, the number of moles of C8H4O4^2- at the equivalence point, and the total volume at that point to calculate the pH for each sample at the equivalence point. Compare these calculated results with the experimental results.
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