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 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: 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: 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…

Q: A solution is prepared at 25 °C that is initially 0.46M in benzoic acid (HC,H,CO,), a weak acid with…

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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…

Q: What is the pH at the equivalence point?

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

A: Given are two pairs of aqueous solutions.To find which will have lower pH based on the charge…

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) 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…

A: When there is a buffer solution of weak acid and its salt with equal concentrations of acid and…

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…

A: we have to calculate the value of Kb for methylamine

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 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…

Q: Given the data for the following separate titrations, calculate the molarity of the NaOH: mL HCI…

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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…

A: The question is based on the concept of the pH of the solution.It is defined as a negative logarithm…

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: 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…