Calculate the percentage that allows for the deliberation of whether or not 0.97 - [H+] ~ 0.97 in accordance with 5% rule. 0.97 M solution of HA with a K a = 2.13E-7

Q: a) Why can you not prepare a solution of pH = 8 by diluting sufficiently a 0.01 M solution of HCl…

A: Hi there, as there are multiple questions posted. We are answering the first question. If you need…

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Q: The molar concentration of hydroxide ion in pure water at 25 °C is 0.00

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Q: What is the pH of a solution when 4.9 g of ammonium bromide, NH,Br (M=98), is used to make 200 ml of…

A: pH of a salt hydrolysis case can be calculated as follows:

Q: Determine the mass of solid NaCH3COO that must be dissolved in an existing 500.0 mL solution of…

A: Given: Initial concentration of CH3COOH = 0.2 M Volume of solution = 500.0 mL = 0.5 L pH of solution…

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Q: 5) Calculate the volume of concentrated ammonia (molecular weight = 17) needed to prepare 100 ml of…

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A: pH of buffer solution is calculated by using Henderson Hesselbalch equation.

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Q: Cyanohydric acid is a weak acid with Ka = 4 × 10-¹⁰. a) for 0.5 M hydrocyanic acid solution…

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Q: The acid dissociation constant K, of carbonic acid (H,CO,) is 4.5 × 10¯'. Calculate the pH of a 3.3…

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Q: Calculate the pH of a solution that is 0.200M in NH3 and 0.300M in NH4Cl. The dissociation constant…

A: Given: Concentration of NH3 = 0.20 M Concentration of NH4Cl = 0.30 M Kb = 1.75x10-5

Q: 11.An acid-base equilibrium system is created by dissolving 0.20mol CH3COOH in water and diluting…

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Q: Calculate the pH of a 1.07 M solution of a weak acid, AH, for instance CH3COOH, and 0.62 M of a…

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Q: What is the percent ionization of nitrous acid in a solution that is 0.230 M in nitrous acid (HNO2)…

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Q: Determine the pH of a solution made of 0.0082M H3PO4 and 0.0046M Na2HPO4. (Ka of H3PO4 = 7.11 x…

A: Balance chemical equation:                                   H3PO4 + Na2HPO4  ----->   2NaH2PO4…

Q: Ascorbic acid (H,C,H¸O,) is a diprotic acid. The acid dissocation constants for H,C,H,O, are Kal =…

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Q: Ascorbic acid (H,C,H,O,) is a diprotic acid. The acid dissocation constants for H,C,H,O, are Kal =…

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Q: NaOH is added to 0.040 M A1³+, raising the pH to 13.60. which is the predominant species: Al(OH)3 or…

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Q: What is the approximate pH at the equivalence point of a weak base-strong acid titration if 50.00 mL…

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Q: Estimate the pH at the equivalence point of an HOAc solution if 25.5 mL of this solution required…

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Q: Calculate the pH of a 0.26 M solution of a weak acid, AH, for instance CH3COOH, and 1.01 M of a…

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Q: 9) The dissociation equilibrium constants for the protonated form of alanine (a diprotic amino acid,…

A: The question is based on the concept of the pH of the solution.It is defined as a negative logarithm…

Q: A solution is prepared at 25 °C that is initially 0.063M in chlorous acid (HClO₂), a weak acid with…

A: Ka of HClO2 = 1.1 x 10-2  Concentration of HClO2 = 0.063 M  Concentration of KClO2 = 0.18 M  Since…

Q: 9) What will be the pH (aq., 25 oC) of 100.0 mL of a solution of 1.50 M C2H5NH3Br and 1.25 M…

A: Given that : Molarity of C2H5NH3Br =1.50 MMolarity of C2H5NH2 = 1.25 MVolume of solution = 100.0…

Q: A sample of 50.00 mL of 0.1000 M aqueous solution of chloroacetic acid, CH2ClCOOH (K1= 1.4 × 10-3),…

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Q: Calculate the pH of a buffer solution consisting of 0.12 M NH3 and 0.095 M NH4+. The Kb for NH3 =…

A: Concept Introduction: pH is the log concentration of protons and pOH is the log concentration of…