Consider the following data on some weak acids and weak bases: acid base Ka K3 name formula name formula nitrous acid HNO, 4.5 × 10* C,H;NH, 4.3 × 10¬10 aniline hydrofluoric acid HF 6.8 x 10-4 ethylamine C,H;NH, 6.4 × 10-4 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M KNO3 choose one 0.1 M C5H5NH3B. choose one 0.1 M C2H5NH3CI choose one 0.1 M KF choose one v

Consider the following data on some weak acids and weak bases: acid base Ka K3 name formula name formula nitrous acid HNO, 4.5 × 10* C,H;NH, 4.3 × 10¬10 aniline hydrofluoric acid HF 6.8 x 10-4 ethylamine C,H;NH, 6.4 × 10-4 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M KNO3 choose one 0.1 M C5H5NH3B. choose one 0.1 M C2H5NH3CI choose one 0.1 M KF choose one v

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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Consider the following data on some weak acids and weak bases: acid base Ka Kb name formula name formula - 10 4.9 x 10 4 hydrocyanic acid HCN methylamine | CH3NH, | 4.4 x 10 C,H;NH2 4.3 × 10 HNO, 4.5 x 10 - 10 4 nitrous acid aniline Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 М КCN 4 (highest) 0.1 M C6H5NH3Br 1 (lowest) 0.1 M NaNO2 3 0.1 М KBr 2
Consider the following data on some weak acids and weak bases: acid base Ka K₁₂ name formula name formula hydrofluoric acid HF 8 × 10 4 ethylamine C2H5NH2 6.4 × 101 hypochlorous acid HClO 3.0 × 10 ammonia NH3 1.8 × 10-5 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution 0.1 M NaCIO PH choose onev 0.1 M NH4Cl choose onev 0.1 M C2H5NH3Br choose one 0.1 M KF choose one Х
Use the following table to predict the best acid / base pair for the desired pH/pOH value:pH = 5.00What is the best acid AND base pair? Name Acid Base pKa Hydrochloric acid HCl Cl- -7.00 Phosphoric acid H3PO4 H2PO4- 2.12 Hydrofluoric acid HF F- 3.18 Lactic acid Lactic acid Lactate 3.85 Acetic acid CH3COOH CH3COO- 4.74 Carbonic acid H2CO3 HCO3- 6.36 Dihydrogen phosphate H2PO4- HPO42- 7.21 Ammonium NH4+ NH3 9.25 Hydrocyanic acid HCN CN- 9.31 Bicarbonate HCO3- CO32- 10.25 Methylammonium ion CH3NH3+ CH3NH2 10.62 Hydrogen phosphate HPO42- PO43- 12.38
Consider the following data on some weak acids and weak bases: acid base K. Kp name formula name formula 10 4.9 x 10 -4 hydrocyanic acid HCN ethylamine C2H5NH2 | 6.4 × 10 HCH;CO2 1.8 × 10 C,H;NH2 |4.3 × 10 5 - 10 аcetic acid aniline Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M C6H5NH3CI choose one v 0.1 М CzHsNHзBr choose one v 0.1 M NaCH3CO2 choose one v 0.1 M Naci choose one v
Complete the table below. Be sure each of your answer entries has the correct number of significant digits. You may assume the temperature is 25 °C. conjugate acid formula H₂S HSO4 H₂ BO3 Ka 5.55 X 10 0.012 5.8 X 10 -8 -10 formula HS 2- SO 4 conjugate base K₂ B 1.8 × 10 8.33 × 10 -7 - 13 1.72 × 10 -5 × Ś x10
Please rank from 1(lowest) to 4(highest)
Each value represents a different aqueous solution at 25 °C. Classify each solution as acidic, basic, or neutral. Acidic pH = 4.24 pOH = 12.17 [H+] = [OH] = 9.7 x 10-⁹ [OH-] = 9.3 x 10-6 = 8.3 × 10-m x Basic pH = 10.91 pOH = 3.22 [H+] = 7.6 × 10-¹0 Answer Bank Neutral [H+] = 1.0 x 10-7 pOH = 7.00
Complete the table below. Round each of your entries to 2 significant digits. You may assume the temperature is 25 °C. formula HBrO conjugate acid H₂CO3 0 Ka 2.3 × 10 -9 4.5 10. conjugate base K₂ formula CIO 0 3.3 x 10 -7 X x10