36. Lactic acid is a weak acid with the formula HC3H5O3, the Ka for lactic acid is 1.38 x 10-4 In aqueous solution, lactic acid partially dissociates according to the following reaction: HC3H5O3 + H2O ⇔ C3H5O3- + H3O+ Calculate the pH of the lactic acid solution described below: Volume:  250 mL Concentration:  0.2931 M Since this is a weak acid, you can assume the amount of acid dissociated is << 5% of the total amount of acid present

Q: with a 0.2200M solution of HNO3. The pK, of piperidine is 2.89. An analytical chemist is titrating…

A:

Q: A solution of acetic acid CH3COOH, on a laboratory shelf was of undetermined concentration. If the…

A: NOTE: As per our guidelines we are supposed to answer only one question when multiple questions are…

Q: Tartaric acid is found in many fruits including grapes. Tartaric acid is partly responsible for the…

A: The dissociation of tartaric acid can be represented as: H2C4H4O6+H2O↔HC4H4O6-+H3O+…

Q: What is the pH of a solution that is 0.10 M in acetic acid, HC2H3O2, and 0.52 M in sodium acetate,…

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

Q: An analytical chemist is titrating 190.6 mL of a 0.3000M solution of methylamine (CH3NH₂) with a…

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Q: Hydrofluoric acid (HF) has a Ka value of 7.2 x 10-4. What is the pH to 2 decimal places when 6.875…

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Q: The isomer of alanine shown below is one of the 20 naturally occurring amino acids that are used to…

A: We have to predict the structure at pH 1 and 12 .

Q: What is the pH of a 1.2 M pyridine solution that has Kp = 1.9 x 10 9? The equation for the…

A: The concentration of pyridine = 1.2 M  Kb = 1.9 × 10-9  The dissociation equation of pyridine :…

Q: The values of K a for hydrozoic acid ( HN 3) and hypobromous acid (HBrO) are given below. HN3 Ka =…

A: Given: HN3 Ka = 1.9 × 10-5 HBrO Ka = 2.0 × 10-9

Q: Suppose 1.00 mol of CgH;COOH and 0.500 mol C,H;COONA are added to water and diluted to 1.00 L. The…

A: a. Benzoic acid and sodium benzoate forms acidic buffer solution.  Henderson equation for acidic…

Q: What is the pH of the resulting solution if 45.00 mL of 0.10 M acetic acid is added to 10.00 mL of…

A: Given data contains, Volume of acetic acid is 45.00mL. Molarity of acetic acid is 0.10 M. Volume of…

Q: Aniline has a formula C6H5NH2.THE ANILINIUM ION FORMULA IS C6H5CH3^+ AND A CONSTANT K=2.3 x…

A: Acid-base equilibriumAn acid is a species which gives off an H+ ion in solution. A base is a species…

Q: 2 MnO4 + 5 H2O2(aq) + 6 H*(aq) → 2 Mn²*(aq) + 5 O2(g) + 8 H20(1) For the reaction, a 0.9339 g sample…

A: Given data, Volume of KMnO4 =15.24 mL Molarity of KMnO4 =15.24 mL

Q: A chemist titrates 210.0 mL of a 0.1242M lidocaine (C₁4H21 NONH) solution with 0.6479M HBr solution…

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Q: None

A: Step 1: To begin answering this question, we must first determine the concentration of each species…

Q: The values of Ka for hydrozoic acid (HN3) and hypobromous acid (HBrO) are given below. HN3 Ka = 1.9…

A: Given: HN3 Ka = 1.9 × 10-5 HBrO Ka = 2.0 × 10-9

Q: dont provide handwritiing solution ...

A: The objective of this question is to calculate the pH at the equivalence point of a titration…

Q: Write the chemical reactions whose equilibrium constants are K, and K, for imidazole (C, H, N,) and…

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Q: A solution is made with 554 ml of 8.21 M HX solution and 549 mL of 6.06 M Nax solution and the pH at…

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Q: 11. What equation or expression would be used to calculate the pH of a solution prepared by…

A: Given : moles of weak acid i.e benzoic acid = 0.280 mol And moles of conjugate base salt of weak…

Q: Calculating thế PH Ul a weak DUJU itiutu An analytical chemist is titrating 93.8 mL of a 0.8500M…

A: Methyl amine is a weak bade it reacts with nitric acid and forms a buffer solution. pH of a buffer…

Q: 0.85 g of hydrogen chloride (HCl) is dissolved in water to make 8.0 L of solution. What is the pH of…

A: Mass of HCl = 0.85 g Volume of solution = 8.0L

Q: What will the pH be when 50 mL 0.01 M acid with pKa of 1.0*10^(-0.5) is mixed with 1. 25 mL 0.01M…

A: No. of moles = Molarity*Volume Moles of acid= 0.01 * (50 mL / 1000 mL/L)= 0.0005 molesCalculation of…

Q: a concentration mL of concentrated sulfuric acid is added to 99 mL of a solution containing 0.505 M…

A:

Q: The pH of stomach acid usually range from 6 to8 True/False

A: The above statement is false. The pH of stomach is usually in the acidic range of 1.5 to 3.5

Q: The propionate lon, CH CH,COO", reacts with water as a weak base: CH CH,COO", (aq) + HO)…

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Q: mass of NaCH3COO must be dissolved in 400 mL of 0.46 M CH3COOH in order to prepare a solution with…

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Q: A 1.00 L volume of solution contains 0.250 M HC2H3O2 and 0.240 M NaC2H3O2 at pH 4.72. To the…

A: Since NaOH(aq) is a monoacidic strong base, it reacts with the acidic part, HC2H3O2(aq) of the…

Q: What is the pH of a solution that is 0.28 M in acetic acid, HC2H3O2, and 0.69 M in sodium acetate,…

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

Q: The figure below is an example of a titration curve for Tating trorote acid witha stong base 10 10…

A: We are given titration curve for the titration of unknown acid(s) with a strong base.  In a…

Q: Determine the pH for the following salts in water. Assume that you have a 0.20M solutions of each of…

A: since you have posted a multiple questions in a single session, we are entitiled to answer only…

Q: ||| O ACIDS AND BASES Predicting the qualitative acid-base properties of salts Consider the…

A: The question is based on the concept of salt hydrolysis. we need to arrange the salts in increasing…

Q: 325 g of sodium bicarbonate (NaHCO₂) is added to enough water to make a 1.00 L solution. What is the…

A: According to the question, The mass of the sodium bicarbonate = 325 g The volume of the solution =…

Q: pH

A:

Q: Hygrogen cyanide gas (HCN), a power respiratotoxic, inhibitor, is highly  toxic.   It is a very weak…

A: HCN reacts with NaOH as follows:    HCN + NaOH → NaCN + H2O 1 mole of HCN reacts with 1 mole of NaOH…

Q: Phenolphthalein is an acid–base indicator. In solutions of pH &lt; 8.5, it is colorless; in…

A: Phenolphthalein exists in the acidic form below the pH 8.5 at which no polar hydrogen atom is…

Q: 14. Acetic acid is a weak acid with the formula CH3COOH; the Ka for acetic acid is 1.76 x 10-5 In…

A: We have to predict the pH of acid solution.

Q: A 25 Celsius aqueous solution is made by adding 2.31 liters of 0.348 M NaNO2 to 3.36 liters of 0.118…

A: Interpretation: The given question is based on calculation of pH of a given buffer solution. Concept…

Q: dont provide handwriitning solution..

A: The objective of this question is to calculate the pH at the equivalence point of a titration…

Q: Phenol, once known as carbolic acid, HC6H5O, is a weak acid. It was one of the first antiseptics…

A: Since phenol is weak acid so it will feebly ionised . C6H5OH  →C6H5O-      +   H+

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.