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: Question 3 3 Consider exactly one litre of a benzoic acid buffer solution, containing 0.800 M…

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Q: A liter of 0.200M aquas solution of the triprote acid H3PO4 is being titrated with 1.00M aquas…

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Q: A chemist titrates 70.0 mL of a 0.6902M butanoic acid (HC,H,CO₂) solution with 0.1255 M KOH solution…

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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: Suppose it is desired to maintain the pH of a solution at 4.2 using only acetic acid and sodium…

A: Given pH of solution = 4.2pKa(acetic acid ) = 4.75AcetateAcetic acid = To be determined

Q: What is the pOH of a 0.123 M solution of Na₂CO3 and 0.0243 M solution of NaHCO3 if the pK, is 3.68?…

A: pH of the solution is to be calculated.Concentration of Na2CO3 = 0.123 MConcentration of NaHCO3 =…

Q: An analytical chemist is titrating 143.9 mL of a 0.6100M solution of acetic acid (HCH3CO₂) with a…

A: Given data : Concentration of HCH3CO2 = 0.6100 M Volume of HCH3CO2 = 143.9 mL Concentration of NaOH…

Q: A chemist titrates 100.0 ml of a 0.1774M nitrous acid (HNO,) solution with 0.1183 M KOH solution at…

A: Volume of HNO2 Solution = 100. mL = 0.1 LMolarity of HNO2 solution = 0.1774 MMoles of HNO2  =…

Q: An analytical chemist is titrating 206.5 mL of a 0.9600M solution of cyanic acid (HCNO) with a…

A: Given-  Volume of HCNO= 206.5 mL  Concentration of HCNO= 0.9600M Concentration of KOH=1.100M Volume…

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Q: Determine the acid dissociation constant, Ka, for a 0.10 Ma weak acid solution that has a pH of…

A: Given : Concentration of weak acid HA = 0.10 M And pH of the solution = 2.87  The ionisation…

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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: 5.0 mL of 0.100 M NAOH is added to 50.0 mL of 0.100 M hypochlorous acid (HCIO). If the K, of…

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Q: The student Louise continued the analysis of acetic acid using half - neutralization technique. She…

A: The reaction between acetic acid and NaOH is NaOH + CH3COOH --------> CH3COONa + H2O

Q: Phosphoric acid is a triprotic acid with the Ka values of 7.25 10-3, 6.31 10-8 and 3.98 10-13…

A: Millimoles of H3PO4 taken   =Molar concentration of acid×Volume of acid=0.1000 M×25 mL=2.5 mmol

Q: Use both the dissociation (ionization) constants (K₂) for hydrated metal ions from your textbook and…

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Q: Phosphorous acid, H, PO, (aq), is a diprotic oxyacid that is an mportant compound in industry and…

A: a.) Before any KOH is added , there is only acid , so we would draw an ICE table and use Ka value to…

Q: A chemist titrates 170.0 mL of a 0.5113 M propionic acid (HC,H,CO₂) solution with 0.2326 M NaOH…

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Q: A) 0.20 M lactic acid B) 0.20 M lactate C) 0.10 M lactic acid and 0.10 M lactate D) 0.15 M lactic…

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Q: If the carbonic acid (H2CO3) concentration in a sample of blood is 0.00250 M , determine the…

A: Given, H2CO3(aq)  ⇌  HCO3-(aq) + H+(aq) pH of blood = 7.45 Acid dissociation constant (Ka) = 4.3 ×…

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: In the laboratory, a general chemistry student measured the pH of a 0.590 M aqueous solution of…

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Q: the video, what is the color of universal indicator in the most basic solution? What is (chemical…

A: (1) Color of universal indicator in the most basic Solution is purple violet.  Universal indicator…

Q: Calculating the A solution is prepared at 25 °C that is initially 0.13M in acetic acid (HCH,CO,), a…

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Q: A chemist titrates 240.0 mL of a 0.0903 M acetic acid (HCH, CO₂) solution with 0.3931 M KOH solution…

A: Given : molarity of acetic acid = 0.0903 M volume of acetic acid = 240.0 mL molarity of KOH = 0.3931…

Q: Question: Acetic acid, HC2H3O2, is used in some household cleansers as a source of H3O+ ion. What is…

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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: An analytical chemist is titrating 64.7 mL of a 0.8500M solution of acetic acid (HCH₂CO₂) with a…

A: Here we are required to find the PH of the solution .

Q: 2 An analytical chemist is titrating 72.5 mL of a 0.6200M solution of propionic acid (HC,H,CO,) with…

A: In first step, we calculate moles of acid and base by multiplying their molarity with volumes. nbase…

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Q: Select the mixture which is capable of tolerating the addition of a strong acid without altering the…

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Q: A helium-filled balloon of the type used in long-distance flying contains 490,000 ft³ (1.4 x 107 L)…

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Q: Calculate the pH after the addition of the following volumes of 0.2 M NaOH to 30 mL of 0.2 M H₂X…

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Q: 6. Compare the strengths of the following pairs of acids: a. HF and HBr b. H2SO4 versus H2SeO4, and…

A: Q.6)=>  Here we are comparing strength of acids means which acid is strong than other. a)=>…

Q: Buffer : HC₂0/C₂02- You are trying to create a pH 4.35 buffer using HC2O4- and C2O4-2. The Ka of…

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Q: Given the following information: hydrocyanic acid formic acid HCN HCOOH A₂ A² (1) Write the net…

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Q: Consider the following information about sulfurous acid, a diprotic acid (H-SO3). H2SO3 = HSO,+H…

A: The titration curve given is, And the titration of Na2SO3 with HCl is given.

Q: Consider the titration of 25.0 mL of 0.100 M hydrochloric acid with 0.100 M NaOH. Calculate the pH…

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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: The pH for 0.0850 M solution of C6HSCH:COOH is 2.68. Determine the value of Ka for CcHsCH:COOH. 1…

A: The acid dissociation constant (Ka) measures the acidic strength in the solution quantitatively. The…

Q: Calculate the pH for the complete titration of 100.0 mL of 0.122 M hydrazine, H2NNH2, with 0.200 M…

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Q: 2. A solution contains 250 mL of 0.25M benzoic acid (HBen) and 0.20M sodium benzoate (NaBen). What…

A: Step 1:Ka= 6.5×10-5pka= -(log Ka)      =-(6.5×10-5)      = 4.18 Step 2:HCl is strong acid when added…

Q: When 0.100 M of following acids are titrated with the same NaOH solution, which has the highest pH…

A: Let the acid be HX and then the reaction taking place between the acid and base NaOH is- HX+…

Q: A patient presents to the emergency department in a very critical condition. The patient’s blood was…

A: Given data: Concentration of acid = 4 x 10-14 M Concentration of salt = 3.062 x 10-3 M Ka of…