Similar to acetic acid, benzoic acid is a weak acid (HA) and is a commonly used as antimicrobial preservative in food and beverages, especially in carbonated beverages Suppose 10.00-mL of 0.5000 M benzoic acid (C6H5COOH) is titrated with 0.2000M NaOH. Ka for benzoic acid is 6.3 x 10-5 . What is the pH after addition of 35.00 mL of NaOH to the benzoic acid solution?

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: Two solutions of an unknown slightly soluble salt, A(OH)2, were allowed to equilibrate—one at 25 °C…

A: Given: Volume of A(OH)2 =15 mL Concentration of HCl = 0.20 M At 25oC Volume of HCl =6.37 mL At 80oC…

Q: Consider the pH curve when acetic acid (CH,COOH) is titrated with sodium hydroxide (NaOH): pH 7 A 0…

A: The objective of the question is to identify the predominant species present at a specific point…

Q: a 500 ml solution containing 0.01 m of acetic acid (ch3cooh) has a ph value of 3.38. how many…

A: For a weak acid such as CH3COOH, the concentration of H+ is given as, H+=Ka×C1/2 When NaOH is added…

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)…

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Q: Similar to acetic acid, propionic acid (CH3CH2COOH) is a weak acid (HA), which inhibits the growth…

A: First we need to calculate the moles of propanoic acid and NaOH.  Then we write a reaction between…

Q: Suppose you have 100 mL of a buffer containing 0.100 M acetic acid and 0.0500 M sodium acetate.…

A: pH is the negative logarithm of the hydrogen ion concentration. It is a measure of acidity or…

Q: a. Is the acid strong or weak? Explain. b. If 10.0 mL of acid was used, what is the concentration of…

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Q: A lactic acid/sodium lactate (HC3H5O3/NAC3H5O3) buffer is prepared to 0.104 mol L-1 HC3H5O3 and…

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Q: 10.00 mL of 0.2357 M acetic acid {Ka = 1.80 xx 10^(-5)} is titrated with 0.1401 M NaOH. a) What is…

A: Given: The volume of acetic acid is 10 mL. The volume of NaOH is 8.240 mL. The molarity of acetic…

Q: 6.46 x 10- , is titrated with a 0.1000 M NaOH solution. Calculate the pH at the following points: 5…

A: The question is based on the concept of titrations. we are titrating a weak acid benzoic acid with a…

Q: Consider the titration of 30.0 mL of 0.269 M weak base B (Kb = 1.3 x 10-10) with 0.150 M HI. a) What…

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Q: A buffer is prepared such that [CH3COOH]0 = [CH3COO−]0 = 0.050 M. Calculate the volume of 0.10 M…

A: Buffer capacity is used to determine the buffer solutions resistance to changes in pH when a strong…

Q: What is the pH of a buffer prepared by mixing 20.0 g of ethylamine CH3CH2NH2, and 20.0 g of…

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Q: Consider the titration of a 40.0 mL of 0.115 M weak acid HA (Ka = 2.7 x 10) with 0.100 M LIOH. What…

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Q: What is the pH (in two decimal places) of a weak base-strong acid titration when 25.0 mL of 0.56 M…

A: Volume of NaOCl = 25.0 mlMolarity of NaOCl = 0.56 MVolume of HCl = 23.0 mlMolarity of HCl = 0.34 MKa…

Q: What will be the pH of the solution prepared by dissolving 8.35 g of aniline hydrochloride (C6H5NH3…

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Q: 55.00 mL of 0.650 M benzoic acid (Ka = 6.4x10-5) is titrated by 0.600 M NaOH. Calculate the pH of…

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Q: A 45.60-mL sample of a 0.476 M solution of acetic acid (HC2H3O2) which is a weak acid with an acid…

A: volume of acetic acid (H C₂ H 30₂) = 45.60 ml   molarity of acetic acid = 0.476M   Ка (H C₂ H…

Q: Lactic acid, (CH3CH(OH)COOH) is a common biomolecule which can accumulate inmuscles during intense…

A: The objective of this question is to calculate the pH of a buffer solution prepared by mixing lactic…

Q: Questions 15-20 refer to the same weak base/strong acid (WB/SA) titration. The K₁ of pyridine is 1.7…

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

Q: Consider the titration of 300.0 mL of 0.450 M NH3 (Kb = 1.8  10–5) with 0.450 M HNO3. At the…

A: pH of an aqueous solution of a salt of a weak base and strong acid = 7 - (pKb + logC)/2 Where, pKb =…

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)…

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Q: 10.0 mL of 0.80 M HF is titrated with 0.30 M NaOH. What is the pH of the solution after 10.0 mL of…

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Q: A 0.15 M solution of HIO2 is being titrated with a 0.15 M solution of NaOH. 20.0 mL of the HIO2 is…

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Q: Consider the titration of a 40.0 mL of 0.153 M weak acid HA (Ka = 2.7 x 10-8) with 0.100 M LİOH.…

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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: A buffer is composed of 0.200 M (CH3)2NH (Kb = 5.9 × 10–4) and 0.250 M (CH3)2NH2NO3. What is the pH…

A: pKb  = - log Kb            =  - log (5.90  * 10-4 )          = 3.23pKa = 14-pKb       = 14- 3.23…

Q: Consider the titration of 100.0 mL of 0.100 M HCN by 0.100 M KOH at 25°C. K for HCN 6.2×10-10, Part…

A: The objective of this question is to calculate the pH at different stages of a titration process.…

Q: A buffer solution contains 0.19 mol of hypochlorous acid (HClO) and 0.63 mol of sodium hypochlorite…

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Q: Determine the pH at the point in the titration of 40.0 mL of 0.200 M H,NNH2 with 0.100 M HNO, after…

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Q: A 15.0 mL sample of 0.20 M of an unknown weak acid is titrated with 0.15 M NaOH at 25 oC. At 25 oC,…

A: Molarity of NaOH = 0.15 mol/LMolarity of weak acid = 0.20 mol/LpKa = 4.06

Q: Consider the pH curve when acetic acid (CH,COOH) is titrated with sodium hydroxide (NaOH): pH 7 A 0…

A: The objective of the question is to identify the predominant species present at a specific point…

Q: 12 a C Consider a buffer made by adding 132.8 g of NaC,H₂O₂ to 300.0 mL of 1.51 M HC₂H₂O₂ (Ka = 6.3…

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

Q: A 75.0 mL sample of 0.100 M NH3 is titrated with 0.100 M HCI. What is the most likely pH of the…

A: Answer :-               pH = 1.845…

Q: You are to prepare exactly 100 mL of 0.200 M acetate buffer, pH 5.00, starting with pure liquid…

A: Formula used  Handerson- Hasselbalch equation  pH = pKa + log[CH3COONa/CH3COOH]  pH= 5.00 , pKa =…

Q: if 150. ml of 0.50 M formic acid (HCOOH) is titrated with the strong base of 0.50 M. KOH (Ka for…

A: Given: The volume of 0.50 M formic acid used for titration is 150.0 mL. The volume of 0.50 M KOH…

Q: 1.0mL of 6.0M HCl is added to 100mL of a buffer that contains equal moles of acetic acid (CH3COOH,…

A: Initial pH of the buffer containing equal moles of acetic acid and sodium acetate can be given as:…

Q: You are titrating 30 mL of 0.100M H3PO4 with 0.200 M KOH. For H3PO4: Ka1=1.1X 10-2, Ka2 = 7.5 X…

A: Answer:Moles of any specie in a solution is always equal to the product of its molar concentration…

Q: A 25.0 mL sample of a  0.100 M  solution of acetic acid is titrated with a  0.125 M  solution of…

A: Find the moles of acetic acid. 20 mL of 0.125 M NaOH is added to the solution. Now find the number…

Q: a)  What is the pH of a buffer prepared by adding 0.506 mol of the weak acid HA to 0.507 mol of NaA…

A: the solution is as follows:

Q: A student is asked to determine the value of Ka for nitrous acid by titration with sodium hydroxide.…

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Q: A titration system is set up as follows: the bottom flask contains a sample solution of 50.0-mL 0.50…

A: The reaction for the base can be shown as: The ICE table before addition of HCl: Initial 0.50 M…

Q: in an acidbase titration, 10.0 mL (VB)of NH3 (Ka(NH+) = 5.8*10^ - 19) 0.18 M (CB) are titrated at…

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Q: A 200mL solution of 0.3 M weak acid is titrated with 40 mL of 1.5 M NaOH. If the Ka of the acid is…

A: Number of mmoles of HA = Molarity x volume (mL) = 0.3 x 200 = 60 mmoles Number of moles of NaOH =…

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.