What is the pH of a buffer solution made of .50 M CH3CO2H and .36 M NaCH3CO2? pka= 4.7 for CH3CO2H

Q: A buffer is made using 100.0 mL of 0.200 M CH3 CH2 COOH (propanoic acid) and 100.0 mL of 0.100 M…

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Q: What is the mole ratio of ammonia (with a pKb of 4.75) to ammonium chloride in a buffer with a pH of…

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Q: Some K2SO3 and KHSO3 are dissolved in 150.0 mL of solution and the resulting pH is 7.40. Which is…

A: Given :

Q: What is the pH of a buffer solution that contains 0.180 M of a fictitious base and 0.135 M of its…

A: A mixture of weak acid and its conjugate ion with strong base forms an acidic buffer solution. A…

Q: A chemistry graduate student is given 450. mL of a 0.30M diethylamine ((C₂H²)₂NH) NH solution.…

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Q: A buffer solution made from HNO, and NaNO2 has a pH of 3.01. If p Ka for HNO2 is 335 , what is the…

A: Given buffer is  HNO2 + NaNO2 pH of buffer = 3.01 pKa of HNO2 = 3.35 [NO2-]/[HNO2] in buffer = ?

Q: What is the pH a buffer solution containing 0.35 M acetic acid and 0.39 M sodium acetate where the…

A: The given buffer solution is a mixture of weak acid acetic acid and its salt  sodium acetate. The pH…

Q: A buffer solution made from HCN and NaCN has a pH of 9.78. If pKa for HCN is 9.40 , what is the [CN…

A: Applying handerson Hazel equation to determination of pH of buffer solution.

Q: A buffer solution contains 0.31 mol of phenol (HC6H5O) and 0.85 mol of sodium phenoxide (NaC6H5O) in…

A: Given:  Moles of phenol (HC6H5O) = 0.31 mol Moles of sodium phenoxide (NaC6H5O) = 0.85 moles Volume…

Q: What is the pH of a solution of 0.400 M CH₃NH₂ containing 0.110 M CH₃NH₃I? (Kb of CH₃NH₂ is 4.4 ×…

A: Since you have asked multiple questions, we will answer the first question. If you want any specific…

Q: Suppose you wanted to make a buffer of exactly pHpH 7.00 using KH2PO4KH2PO4 and Na2HPO4Na2HPO4. If…

A: Henderson – Hasselbalch equation can be used here, i.e pH=pKₐ+log₁₀([A⁻]/[HA])

Q: What is the pH of the buffer that is composed of 0.10 M Na2HPO4 and 0.15 M KH2PO4? (Ka1=7.5 x 10~³,…

A: Given: Concentration of Na2HPO4 i.e. conjugate base of KH2PO4 = 0.10 M And the concentration of…

Q: which one has higher buffer capacity o.1 M C6 H8O7 , 0.01 M Na3C6 H5 O7 or 0.01M C6 H8O7, 0.01 0.01…

A: Buffer capacity refers to the amount of acid or base that the buffer can neutralize before the pH…

Q: What is the A-/HA ratio of these buffers at the given pH? NaF/HF pH = 4.00 (ii) CH3NH2/CH3NH3+Cl–…

A: The objective of this question is to calculate the ratio of the base (A-) to the acid (HA) in the…

Q: You want to make a 500.0 mL of 0.0500 M of phosphate buffer pH = 6.80 from solid Na2HPO4 compound…

A: The balanced chemical equation of formation of phosphate buffer can be shown as follows:

Q: 1. What is the pH of a buffer that is 0.20 M HF and 0.085 M KF? pKa = 3.152. What is the pH of a…

A: 1. The concentration of The concentration of 2. The number of moles of The number of moles of The…

Q: The acid HD has a pKa of 4.64.  What volume, in mL, of a 0.100 M solution of sodium hydroxide needs…

A: A buffer is a solution which resists any change in pH on adding a small amount of acid or base.It is…

Q: If the pKa of HCHO2 is 3.74 and the pH of an HCHO2/NaCHO2 solution is 3.11, which of the following…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: An ammonia buffer solution contains 0.20 M NH4+NH4+ and 0.21 M NH3NH3 . The pKa of ammonium is…

A: A buffer is a solution which resists any change in pH on adding a small amount of acid or base.It is…

Q: A buffer is prepared as a solution of 4.7 M HA and 8.3 M NaA. The pH of the solution is 3.81. What…

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Q: A solution of phosphoric acid (H3PO4) with a known concentration of 0.250 M H3PO4 is titrated with a…

A: At third equivalence point, all the  H3PO4 molecule get converted to PO4-3 i.e complete…

Q: biochemist is trying to prepare 800.0mL of buffer using KH2PO4 and K2HPO4 combination, pKa for these…

A: To find the mass in grams of KH2PO4 and K2HPO4 that is required to prepare a buffer solution of…

Q: The pK₂ value for HF is 3.14. Would a buffer prepared from HF and KF with a pH of 2.64 be considered…

A: Henderson-Hasselbalch equation is used for pH of a buffer solution. pH = pKa + log[conjugate…

Q: A buffer solution is made using a weak acid, HA. If the pH of the buffer is 4 and the ratio of [A]…

A: Given, pH = 4 , pKa = ? , A-HA=0.1

Q: Which of the following would be the best choice to prepare a buffer with pH = 3.00 ? A. C5H5N:…

A: Acidic buffer solution - a buffer solution that made of weak acid and its conjugate base ( strong…

Q: If the solubility of Li2CO3(s)   is 1.3 x 10-4 mol/L, what is its Ksp?

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Q: You dissolve 0.198 g of NaOH in 2.00 L of a buffer solution that has [H2PO.1 [HPO,] 0.144 M. What is…

A: Answer:-This question is answered by using the simple concept of calculation of pH of a buffer…

Q: What is the change in ph when 1.0ml of 1m hcl is added to  1) 1.000L of pure water and to  2)…

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Q: The pKa of acetic acid is 4.74. What is the pH of a buffer solution that is prepared from 0.010 M…

A: Buffer solution have tendency to resist pH change on addition of small amount of strong acid or…

Q: The pK, value for H2S is 7.00. What mole ratio of KHS to H2S is needed to prepare a buffer with a pH…

A: The henderson hasselbalch equation for weak acid, pH = pKa + log [conjugate base][acid]

Q: Calculate the pH of a bicarbonate buffer that is composed of a solution that is 0.5 M sodium…

A: To calculate the pH of a bicarbonate buffer solution, you can use the Henderson-Hasselbalch…

Q: What is the pH number of a buffer solution prepared from 0.05 M ammonium hydroxide (NH4OH) and 0.09…

A: The Given solution is a Basic buffer solution.

Q: What will be the pH of a buffer

A: Given :-  Concentration of weak acid i.e. HCN = 0.65 M  Concentration of conjugate base i.e. CN- =…

Q: A buffer solution is made that is 0.474 M in H₂CO3 and 0.474 M in KHCO3. If Kal for H₂CO3 is 4.20 x…

A: Given:Concentration of H2CO3 = 0.474 MConcentration of KHCO3 = 0.474 MNumber of moles of HCl added =…

Q: A buffer solution is composed of 5.50 mol of acid and 2.75 mol of the conjugate base. If the pKa of…

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

Q: what is the concentration of Tris molecules in the basic

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Q: A chemistry graduate student is given 300. mL of a 0.50M dimethylamine ((CH3)2NH) solution.…

A: ⏹️ Approach to solving the question: Here is a step-by-step approach to solving this problem: 1.…

Q: What is the pKa of an acid if a buffer made from 0.045 mol of the acid and 0.060 mol of its…

A: The pH is used to determine the acidity or basicity of a solution. The pH of a solution is the…

Q: What is the pH of the buffer solution that contains 2.2 g of NH4Cl in 250 mL of a 0.070 M NH3? Is…

A: We have to calculate the pH of the buffer solution

Q: The pK, value for H₂S is 7.00. What mole ratio of KHS to H₂S is needed to prepare a buffer with a pH…

A: Given,pH of a buffer solution = 7.27pKa of H2S = 7.00

Q: If the pKa of HCHO2 is 3.74 and the pH of an HCHO2/NACHO2 solution is 4.15, which of the following…

A: Given: The pKa value is 3.74. The pH of HCHO2/NaCHO2 solution is 4.15.

Q: Which of the following aqueous mixtures will result in a buffer with a pH higher than 7.0? (For…

A: Correct answer is option d. 10 mL of 0.1 M NH3 + 5.0 mL of 0.1 M HCl