Lactic acid, HC3H5O3, is a monoprotic acid that dissociates in aqueous solution. If a solution containing 0.50 M lactic acid is 1.66 percent dissociated to ionic form, calculate the value of Ka for lactic acid. Include answer to 3 significant figures

Q: (a) Calculate the percent ionization of 0.00730 M carbonic acid (Ka = 4.3e-07). % ionization (b)…

A: Percent ionisation is calculated using formula : % ionisation = ( [ H+] / [ Acid ] ) × 100 Where , […

Q: 8) A 0.185 M solution of a weak acid has a pH of 2.95. Calculate the acid ionization constant (Ka)…

A: A 0.185 M solution of a weak acid (HA) has a pH of 2.95. Calculate the acid ionization constant Ka…

Q: Calculate Ka value for a .200 M solution of hypobromous acid (HBrO) with a hydronium ion…

A: Answer: On adding HBrO in water, its ionization will take place and hydronium ions will be produced…

Q: Pyruvic acid is formed in the body from carbohydrate metabolism. In muscles, it is reduced to lactic…

A: The ionization equilibrium of pyruvic acid is shown below using HPv as as the pyruvic acid, The…

Q: A 0.0200 M solution of a certain monoprotic weak acid is 18.0% ionized. What is the value of Ka for…

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Q: Calculate the percent ionization for bromic acid in a solution that contains 0.00850 M acetic acid…

A: Concentration of acetic acid, HC2H3O2(aq) = 0.00850 M For acetic acid, HC2H3O2(aq), Ka = 1.8×10–5,…

Q: In the laboratory a student measures the percent ionization of a 0.530 M solution of hydrocyanic…

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Q: A 0.0450 M solution of benzoic acid has a pH of 2.78. Calcula pK, for this acid. What is the percent…

A: 5.) Given that : The molarity of benzoic acid = 0.0450 M pH of the solution = 2.78

Q: A certain acid, HA, has a Ka given by: HA + H2O H3O* +A- Ka = 6.80 × 10-6 What is the pH of a 0.247…

A: Answer is explained below.

Q: What is the pH of A 50.0 mL 0.0250 M NAOH(ag) when mixed with 50.0 mL 0.0250 M Ba(OH)2(ag) diluted…

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Q: that is 0.192 M in lactic acid and 0.155 M in sodium lactate? The Kaof lactic acid is 1.4 × 10-4.…

A: Buffer is the solution of mixture of weak acid/weak base with its salt of strong base/strong acid

Q: A 0.1000 M solution of a weak acid, HA, is 3.0% dissociated. Determine the value of Ka for the weak…

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Q: A buffer is prepared by using 0.20 mole of C6H5COOH and 0.40 mole of C6H5COO- in 1.00 liter of…

A: The objective of this question is to determine whether the buffering capacity of a solution,…

Q: A chemist titrates 200.0 mL of a 0.6878 M propionic acid (HC,H,CO,) solution with 0.7437 M NaOH…

A: Equivalence point is that point at which moles of monoprotic base added are exactly equal to moles…

Q: 6' 666 TUTOR Polyprotic Acid Calculations For a 3.95 × 10 M solution of H2CHO calculate both the pH…

A: The objective of this question is to calculate the and concentrations of ions in a solution of a…

Q: A chemist titrates 60.0 mL of a 0.6499 M propionic acid (HC,H,CO,) solution with 0.6233 M KOH…

A: At the equivalence point mole of acid = mole of the base. The reaction involved is as follows:

Q: In the laboratory, a general chemistry student measured the pH of a 0.468 M aqueous solution of…

A: Given data,Molarity of salicylic acid=0.468MpH=1.912

Q: For a 0.0494 M aqueous solution of cyanic acid, HCNO (Ka = 3.5*10-4), determine the following. What…

A: Given Data : 1. Molarity of cyanic acid solution = 0.0490M 2. Dissociation constant of cyanic acid…

Q: Write the Ka expression for an aqueous solution of nitrous acid: (Note that either the numerator or…

A: Nitrous acid is a weak and monoprotic acid (formula HNO2). For an acid, the dissociation constant or…

Q: Calculate Kb for a 0.1 M solution of acetate ion, given that Ka for acetic acid is 1.8 x 10−5.

A: Given : Ka = 1.8 x 10-5

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: Calculate the % dissociation for the following monoprotic weak acid:  100.0 mL of 0.303 M HA whose…

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Q: A 1.00 M solution of fluoroacetic acid is 10.0% dissociated in water at a certain temperature. The…

A: Dissociation of fluoroacetic acid is given   We have to calculate pOH Ka   pH on dilution

Q: If the bicarbonate ion (HCO3-) concentration in a sample of blood is 0.125 M, determine the carbonic…

A:

Q: Determine the mass of solid NaCH3COO that must be dissolved in an existing 500.0 mL solution of…

A: Given: Initial concentration of CH3COOH = 0.2 M Volume of solution = 500.0 mL = 0.5 L pH of solution…

Q: A 0.1000 M solution of a weak acid, HA, is 3.0% dissociated. Determine the value of Ka for the weak…

A:

Q: What is the pH of a buffer solution that is 0.20 M propionic acid, HC3H5O2 and 0.16 M sodium…

A:

Q: A chemist titrates 210.0 mL of a 0.1055M hypochlorous acid (HCIO) solution with 0.3543M KOH solution…

A: Reaction between HClO and KOH is shown below: HClO(aq)+KOH(aq)→KOCl(aq)+H2O(l) According to reaction…

Q: A chemist titrates 60.0 mL of a 0.1125 M hypochlorous acid (HCIO) solution with 0.7761 M KOH…

A: HClO is a weak acid and KOH is strong base   Calculating moles of HClO Volume in L x M = Moles…

Q: A 0.15 M solution of an unknown monoprotic acid has a pH of 4.53, calculate the Ka for this unknown…

A: HA(aq.)       +        H2O(l)          →A-(aq.)           +          H3O+(aq.)I  0.15M…

Q: A chemist titrates 130.0 mL of a 0.7778 M lidocaine (C, H,,NONH) solution with 0.1602 M HCI solution…

A: Given: Concentration of lidocaine, M1= 0.7778 MVolume of lidocaine, V1= 130ml =0.130LConcentration…

Q: solutions.  BB- is  basic form of the indicator.             HBB    +     H2O          H3O+      +…

A:

Q: The pH of a 0.100 M aqueous solution of an unknown monoprotic acid, HX, is 5.26 at 25 ºC Which of…

A: Given The pH of a 0.100 M aqueous solution of an unknown monoprotic acid, HX, is 5.26 at 25 ºC Ka =…

Q: The following five beakers represent solutions of 5 different acids, at the same initial…

A: The acid dissociation constant (Ka) represents the strength of the acid. The higher the Ka the…

Q: A chemist titrates 130.0 mL of a 0.6533 M cyanic acid (HCNO) solution with 0.5467 M KOH solution at…

A: Concentration of cyanic acid = 0.6533 M Volume of cyanic acid = 130 ml or 0.13 L Number of moles of…

Q: Propanoic acid (CH3CH2COOH) has a Ka of 1.3×10–5. FW(propanoic acid) = 74.08 g/mol; FW(calcium…

A: Buffers are generally good over the range pH = pKa ± 1. For example, the acetate buffer would be…

Q: An analytical chemist is titrating 120.4 mL of a 0.5800M solution of piperidine (C5H₁0NH) with a…

A: Volume of piperidine= 120.4 mL  Volume of piperidine=0.5800M  Concentration of HNO3=0.7600M  Volume…

Q: Consider a 1.0-L solution that is initially 0.500 M NH3 and 0.570 M NH4CI at 25 °C. What is the pH…

A:

Q: If a 0.10 M solution of an unknown monoprotic weak acid has a pH of 4.73, what is Ka for this acid?…

A: The acid dissociation constant of a reaction can be calculated by the ratio between the…

Q: ) Calculate the percent ionization of 0.00850 M hydrocyanic acid (Ka = 4.9e-10). % ionization =…

A:

Q: scientist needs to prepare an acetate buffered solution at pH 5.0. What is the final concentration…

A: pH = 5.0 pKa = 4.76 Final concentration of buffer = 25mM

Q: chemist titrates 130.0mL of a 0.6404M acetic acid (HCH3CO2) solution with 0.7306M NaOH solution at…

A: Titration between weak acid and Strong base  :

Q: If the carbonic acid (H2CO3) concentration in a sample of blood is 0.00125 M, determine the…

A: Concentration of bicarbonate ion required can be calculated using Henderson hasselbalch equation for…

Q: Ka

A:

Q: Select all statements that are true. For polyprotic acids, Ka1 is always the largest Ka out of all…

A: Given statements are : a. For polyprotic acids, Ka1 is always the largest Ka out of all of the…

Q: Which of the following statements about the dissociation constant and pka is NOT correct?

A: An acid dissociation constant (Ka) is defined as a quantitative measure of an acid strength in…

Q: 0.250 M

A: