What is the Ka or Kb expression for NH4Cl and Na2CO3? What is the value of Ka or Kb for both chemicals? I got a pH of 6.77 for 0.1 M NH4Cl and a pH of 11.21 for 0.1 M Na2CO3.

Q: Calculate the pH of the following two buffer solutions:   (a) 1.0 M CH3COONa/2.5 M CH3COOH.…

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Q: 136.7mL of a 0.4800M solution of dimethylamine CH32NH with a 0.3900M solution of HNO3 . The pKb…

A: The question is based on the concept of titrations. we have to calculate pH of the solution at the…

Q: Write the chemical reactions whose equilibrium constants are K, and K₁ for imidazole (C3H₂N₂) and…

A: we have to calculate the pH and write Ka and Kb expression for the given solution

Q: Calculate the pH of a buffer system containing 3.0 M NH3 and 2.0 M NH CI. (K, of NH4, the acid in…

A: Check the formula to calculate the pH of the buffer system and use it to calculate the pH of the…

Q: Calculate the pH of a buffer solution that contains 0.34M benzoic acid and 0.49 M potassium…

A: Using Henderson equation , we can solve this problem. Here benzoic acid is weak acid and potassium…

Q: Which of the following acids should be used to prepare a buffer with a pH of 3.4? CH3COОН, Ка - 1.8…

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Q: calculate the pH of a solution that is made when 0.10 L of 0.24 M benzoic acid (pKa=4.19) and 3.00 g…

A: Molarity of sodium benzoate can be calculated as follows:

Q: Calculate the pH of a buffer comprised of 0.10 M hypochlorous acid and 0.080 M sodium hypochlorite.…

A: Formula used:-  pH = pKa + log [salt]/[acid]

Q: What concentration of sodium benzoate must be used to create a buffer solution with a pH of 5.63 if…

A: Use a udic buffer equation to get MOLARITY of sodium benzoate. Buffer mixture is defined as an…

Q: 1. 50.0 ml of 0.1 M NaOH is added to 100.0 ml of 0.2 M HCN (Ka=6.2x10-10). What is the pH of the…

A: Since you have posted multiple questions, we are entitled to answer the first only. 1) Given:…

Q: An analytical chemist is titrating 77.9mL of a 0.7600M solution of methylamine CH3NH2 with a 0.4700M…

A: In this question, we want to determine the pH of the Solution after titration of weak base with…

Q: 1. What is the pH of a solution that results from adding 400 mL of 0.40 M NaOH to 600 mL of 0.50 M…

A: Note: As per the guidelines solution of 1st question has been made. For the expert solution of other…

Q: In the laboratory, a general chemistry student measured the pH of a 0.474 M aqueous solution of…

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Q: An analytical chemist is titrating 132.3mL  of a  0.9400M  solution of cyanic acid  HCNO  with a…

A:

Q: A general chemistry student measured the pH of a 0.12 M aqueous solution of an unknown weak acid HA…

A: The question is based on the concept of equilibrium. we have to calculate PKa of a weak acid whose…

Q: You have 75.0 mL of 0.17 M HA. After adding 30.0 mL of 0.10 M NaOH, the pH is 5.50. What is the Ka…

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Q: I have 0.2140grams of an unknown momoprotic acid that requires 27.4 mL of 0.0950M NaOH to reach the…

A: Let the unknown acid be represented as HA. Thus, reaction is shown as- HA + NaOH→NaA + H2O

Q: A buffered solution containing disolved aniline, C6H5NH2, and aniline hydrochloride, C6H3NH3Cl, has…

A: A. Given that : pH of the buffer solution = 5.71 Concentration of base (C6H5NH2) = 0.290 M The pKb…

Q: Calculate the pH of a buffer solution made by mixing a 0.37 M formic acid (HCOOH) with 0.23 M sodium…

A: pH of buffer solution=3.54Explanation:So,pH of buffer solution=3.54

Q: In the laboratory, a general chemistry student measured the pH of a 0.590 M aqueous solution of…

A:

Q: Can you please fill out the ice table and find the Ka

A: ICE tableKa          Explanation:Step 1: ICE tableICEHC3H5O2 (aq)H2O (l)⇌H3O+ (aq)C3H5O2-…

Q: An analytical chemist is titrating 208.2 mL of a 0.8600M solution of dimethylamine ((CH3)2NH) with a…

A: We will first calculate the millimoles of both acid and base. And then we will find the excess…

Q: Calculate the pH of a 0.97 M solution of a weak acid, AH, for instance CH3COOH, and 0.12 M of a…

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Q: Calculate the pH of a solution that is made when 0.10 L of  0.24 M  benzoic acid (pKa = 4.19)  and…

A: Mass of sodium benzoate = 3.00 g Molar mass of sodium benzoate = 144.11 g/mol Moles =…

Q: An analytical chemist is titrating 74.2 mL of a 0.3000 M solution of methylamine (CH3NH2) with a…

A: Step 1: Create the balanced acid-base reaction of nitric acid and methylamine Step 2: Construct the…

Q: 28. 25.00 mL of a solution of a weak monoprotic acid, HX, was titrated with a 0.0640 M solution of…

A: To solve this, we have to use the concept of acidic buffer and Henderson hasselbalch equation for pH…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.