What is the pH after a 30.0 mL of 0.10 M HCOOH solution is titrated with 20.0 mL of 0.20 M NaOH? (Ka-1.8 x 10-4)

Q: a weak acid (HA) is titrated with a strong base, such as NaOH what species are decreasing in…

A: When a weak acid (HA) is titrated with a strong base (NaOH),  The reaction: HA + NaOH → NaA + H2O

Q: Consider the titration of 20.0 mL of a sample of 0.105 M HC2H3O2 with 0.125M NaOH. (Ka = 1.8 x 10-5)…

A:

Q: Calculate the pH at 25°C of 291.0 mL of a buffer solution that is 0.310 M  NH4Cl and 0.310 M  NH3…

A: Buffer solution :  It is a special type mixture of weak acid or base and its conjugate salt. The…

Q: What is the resulting pH when 125 mL of a 0.1 mol/L CH3COOH solution is titrated with 75 mL of a 0.1…

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Q: A 300 mL buffer is prepared in which [HCO3- ] = 0.2 M and [CO32- ] 0.075M a) What is the pH of this…

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Q: If 25.00 mL of a 0.09864 M CH3COOH (Ka = 1.8 x 10-5) solution is titrated with a 0.1027 M NaOH…

A: The solution is given below -

Q: What is the pH of a solution made by adding 23.5 g of KC2H3O2 to 400 mL of 0.80 M HC2H3O2? (Ka for…

A: Molarity of KC2H3O2 is calculated as follows:

Q: You want to prepare 100.0 mL of a buffer solution with a pH of 4.95 by mixing appropriate volumes of…

A: Given : pH of buffer solution = 4.95  Concentration of CH3CO2H = 0.10 M Concentration of CH3CO2Na =…

Q: If a 30 mL sample of a 0.500 M containing a weak acid (K, = 1.6 x 10-4) is titrated with a 0.200 M…

A: We have weak acid and strong base titration ,we have to calculate the pH at midpoint.

Q: What is the pH and % ionization of a buffer solution made with 0.50 M HF and 0.45 M KF? What is the…

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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: 100 mL of 0.30M oxalate buffer (Ka = 6.1 x 10-5) has a pH = 4.21. What is the new pH after 35.0 mL…

A: The relation to determine the pH of buffer solution is given by Henderson-Hasselbalch. The relation…

Q: What is the resulting pH when 35.0 mL of 0.8 M HF is titrated with 30.0 mL of 0.7 M KOH? (Ka of HF =…

A: The objective of this question is to calculate the resulting pH when a solution of HF is titrated…

Q: What is the pH of a buffer prepared by dissolving 25.0 g of K2HPO4 and 25.0 g of KH2PO4 in 250 mL of…

A:

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: Suppose you want to make a buffer with a pH of 6.90. Which of the following acid/conjugate base…

A: The pKa value can be used to predict the pH of the buffer solution and hence the suitable conjugate…

Q: What ratio of CH₂NH₂ to CH₂NH₂* is needed to prepare a pH 10.10 buffer? (Kb for CH₂NH₂ is 4.4 × 104)…

A: Given :-  pH of buffer = 10.10 Kb for CH₃NH₂ = 4.4 × 10⁻⁴  To calculate :-  ratio of CH₃NH₂ to…

Q: What is the pH of a weak base-strong acid titration when 20.0 mL of 0.56 M of NaOCl (Ka = 3.0*10-8)…

A:

Q: potassium hydroxide. (Ka (HBrO) = 2.0 x 10-9) a. What is the initial pH of the solution? HBrO + H₂O…

A: a)when 0.0 mL of KOH is addedHBrO dissociates as:HBrO          ----->     H+   +  BrO-0.8…

Q: What is the pH of a solution made by titrating 265. mL of 0.014 M propanoic acid  (Ka = 1.34x10-5)…

A: Propanoic acid is the weak acid so pH of given titrating mixture is calculated as follows, Given.…

Q: What is the pH of a buffer solution with 0.21 M Pyridine (C5 H5 N) and 0.35 M pyridine chloride ( C5…

A: • Given that the concentration of pyridine base is 0.21 M in buffer solution. • And the…

Q: Below is a titration curve for the titration of 50.0 mL of a 0.100 M solution of the weak acid HA…

A:

Q: What is the pH value of a buffer prepared by adding 10 mL of 0.1 M acetic acid to 20 mL of 0.1 M…

A: Given: Volume of acetic acid=10mL Molarity of acetic acid=0.1M Volume of sodium acetate=20mL…

Q: What is the pH of a buffer solution made by mixing 50.0 mL of 0.100 M potassium hydrogen phthalate…

A:

Q: how many grams of sodium acetate trihydrate must be added to 50.0 ml of 0.250 M acetic acid to…

A: The pKa value is calculated as, pKa = - log Ka pKa = - log (1.8 x 10-5) pKa = 4.74 The moles of…

Q: 12. Write the reaction that occurs and calculate the pH after.. 15.0 mL of 0.10 M NaOH is added to…

A: The number of moles can be calculated by taking the product of molarity and volume of the solution.…

Q: If 25.00 mL of a 0.09864 M CH3COOH (Ka = 1.8 x 10-5 ) solution is titrated with a 0.1027 M NaOH…

A:

Q: In the titration of 50.0 mL of 0.100 M acetic acid (CH3COOH,  Ka = 1.8 x 10−5) with 0.100 M NaOH…

A: When 0 mL of NaOH is added, the solution contains only acetic acid.  given that concentration of…

Q: What is pH at the equivalence point in the titration of 30.0 mL of 0.10 M HCOOH with 0.20 M NaOH?…

A: Volume of HCOOH VHCOOH = 30.0 mL Concentration of HCOOH CHCOOH = 0.10 M Concentration of NaOH CNaOH…

Q: A 35.0 mL sample of 0.175 M H2A (Kal = 3.8 × 10-2; K22 = 5.7 × 10-9) is titrated with 0.2034 M NaOH.…

A: The question is based on the concept of titrations. we are titrating a weak acid and strong base. We…

Q: You have 25.00 mL of a solution containing 0.1125 M benzoic acid (pKa = 4.20) in a flask that you…

A:

Q: What is the pH of a buffer solution consistig of 0.035 M NH3 and 0.050 M NH4 + ? (Ka for HN4+ = 5.6…

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Q: What is the pH after 8.0 mL of 0.10 M HCl is added to 20.0 mL of 0.10 M NH3? (Kb=1.8 x 10-5)

A: The question is based on the titrations.  we are titrating a weak base with a strong acid. we need…

Q: A buffer solution is made up of 1.0 M NH3 and 1.0 M NH4CI. = 1.8 x 10-5 K₂NH3 What is the pH when 20…

A: Given :  Volume of buffer solution= 25. ml  Concentration of NH3 = 1.0 M  Concentration of NH4Cl =…

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.