Complete and balance the following redox reaction by the oxidation number method: a) MnO4 1-(ag) + H₂S (aq) S(s) + Mn2+(ag) vivin b) H1+ (aq) + Cr₂O72-(ag) + C2H5OH(aq) →→→→→Cr³+ (aq) + CH3COOH(aq) + H₂O(l)

Q: Part B Calculate the percent ionization of 0.130 M lactic acid in a solution containing 0.0080 M…

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Q: Should the heat of neutralization be different for monoprotic, diprotic, and triprotic…

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Q: Compare the percent ionization of the base in (a) with the percent ionization of the base in (b).…

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Q: An 8% m/m solution of KBr in water has 8g of KBr dissolved inblank  g of H2O Polar liquids like…

A: The first part of the question is asking for the amount of water in an 8% m/m solution of KBr. The…

Q: [1,0] solution pH x1 0.0027 mol/L A O mol/L B 7.03 10 mol/L 4.0 X 10 C

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Q: What is the pH of a solution of 2.0 x 10–8M Ca(OH),?What color would you expect it to have with…

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Q: If CH3OONa is addddd to a solutiom of CH3COOH, i’d the pH of the acid going to increase or decrease

A: When the salt is added to the solution, then due to common ion effect, the solubility of an acid…

Q: oblem 16.119 Rev ConlantsPerde Ta eheri CO, e hee rn by nealy 20% over the past ys trom s ppm0 pm -…

A: Part A

Q: What is the endpoint of titration O W here there is no acid Where there is no base When the volume…

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Q: Volumeconcentrate

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Q: Which of the following are weak electrolytes? (choose all that apply) O HCIO4 O NaOH OHCIO O Ca(OH)2…

A: A weak electrolyte is an electrolyte that does not completely dissociates in aqueous solution.

Q: 9. A weak monoprotic acid is titrated by addition of a strong base. Which of the following describes…

A: The question pertains to a fundamental concept in analytical chemistry: titration curves.…

Q: Q5: Calculate the M for Al:(SOi)s solution has 0.3 N and Bi (NO): has 0.2 M?

A:

Q: A HF/NaF buffer is prepared. HCI is added to the buffer. Which species is consumed as a result of…

A: HF/NaF buffer is a solution containing a weak acid, HF (hydrofluoric acid), and its conjugate base,…

Q: Why is pH at the equivalence point larger than 7 when youtitrate a weak acid with a strong base? (a)…

A: Since the weak acid will have a basic salt with the strong base. Hence the pH of the weak acid…

Q: Part A To 10Lot a 032 M soution of HCIO, is added 0.20 mol of NaCIO. Caloulate the (HCIO,) at…

A:

Q: O ACIDS AND BASES Interconverting pH and hydronium ion concentration Each row of the table below…

A: pH can be calculated using the formula given below:pH = - log[H3O+]

Q: The normal concentration of a dilute Ba(OH): (171 g/mol) solution if addition of 50.00 mL of the…

A:

Q: 4. Explain how you determine the pH when 15 ml of 0.100 M HCI is added to 25 ml of 0.080 M NH3 (Kp =…

A: 4.pH can be calculated using Henderson - Hasselbach equation.

Q: Q2} In the standardization of NaOH with 0.243 g of H,C,0,.2H,0 required 39.82 ml of 0.09M of the…

A: Use neutralisation equation  Mole× nfactor= M1V1(litre)

Q: (a) Calculate the percent ionization of 0.00610 M propionic acid (Ka = 1.3e-05). % ionization = 4.51…

A: Answer:On adding in water, weak electrolyte dissociates partially and an equilibrium between its…

Q: what is the pH of a buffer solution. that containe ol0om HE amd o:120 M Nef 2 The ka of HE is…

A: pH of buffer  using Henderson-Hasselbalch equation    [salt] = 0.120M  [acid] = 0.100 M  pka = -log…

Q: Answer in scientific notation with appropriate sigfigs considered.  A buffer solution is prepared…

A: By addition of small amount of acid , sodium acetate reacts with that salt ,then sodium acetate acts…

Q: A 40.0 mL sample of a 0.08 M HCl solution is titrated with a 0.10 M NaOH. What volume of tiltrant is…

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Q: The painkiller and anti-tussive codeine is a weak base with a pKb of 7.95. A solution with 1gram of…

A: First, we need to calculate the moles of HCl used in the titration. The molarity (M) of a solution…

Q: 2.3 N OF 0.174mL NaHCO3 IS NEUTRALIZED BY 31.5mL OF HCl, WHAT IS THE NORMALITY OF THE ACID?

A: Normality of NaHCO3 (base) = 2.3 N  Volume of NaHCO3 (base) = 0.174 ml  Volume of HCl (acid) = 31.5…

Q: A sample containing 0.450 g of nicotinic acid, a monoprotic acid, required 34.74 mL of 0.1053 M…

A: we have to calculate the molar mass of nicotinic acid

Q: Part A Abeaker with 1.10w10 ml of an aceic acid bufer with a pt of 5.000 is sing on a benchtop. The…

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Q: The hydronium ion concentration of an aqueous solution of 0.371 M isoquinoline (a weak base with the…

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Q: 20 ml. of 0.5 N CH3COOH is diluted with water to 100 ml. the resulted solution is titreted with 0.5N…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A weak acid has a pKa of 3.2 How much in %, is ionized if the pH of the medium is 2.5?

A: In this question, we are given the pKa of a weak acid and the pH of the medium. The pKa is a measure…

Q: A 41.4 mL sample of a 0.390 M aqueous hydrocyanic acid solution is titrated with a 0.353 M aqueous…

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Q: Which indicator could be used to titrate aqueous NH3 with HCI solution? Indicator Acid Range Color…

A: we have to find which indicator can be used

Q: A) H.PO. B) H:PO. С) НРО D) H:CO H:PO, +H HPO. +H* PO + H* HCO + H

A: We wil identify intracellular buffer

Q: Which of the following gives a buffer solution when equal volumes of the two solutions are mixed?…

A: A buffer solution consists of two solutions. They are - a weak acid and the salt of its conjugate…

Q: Which indicator could be used to titrate aqueous NH3 with HCI solution? Acid Color- Indicator Range…

A: NH3 + HCl ---> NH4Cl  NH4Cl is an acidic salts which pH<7

Q: When we say that two titration curves are a mirror image of one another, what do mean? They are…

A: The correct answer is to be identified.

Q: A solution contains0.023Macetic acid and0.0.018Msodium acetate. The Ka for acetic acid is1.8×10−5.…

A: Molarity of acetic acid = 0.023 M Molarity of sodium acetate = 0.018 M Ka = 1.8 ×10-5

Q: The colour of Phenolphthalein indicator in basic medium is O colourless O Blood red O Pink O Red

A: Phenolphthalein is an indicator used in acid - base titration. Phenolphthalein changes its colour…

Q: added to colon indicat or it changes When acid purple to it changes From Purpie to the indicator.…

A: The given indicator has blue color acidic, HIn, and red color basic In-. The reaction when base is…

Q: (c) 100.9 mL of 0.49 M HBr titrated with 0.25 M KOH The acid is: The base is: The halfway point pH…

A: Answer:During acid-base titration, where acid is the analyte and base is titrant, half way point is…

Q: Which of the following statement is true? Select one: O Equivalence point occurs when an amount of…

A: In Given statement one statement is true

Q: what is the definition of equivalence point: a-none of these  b- the titrant has th similar…

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Q: Practice Exercise Cakulate he standard fre-anergy changes for heflwing frextions at 25C:

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Q: At which point on the titration curve of a weak acid (HA) with a strong base (NaOH) does a buffer…

A: Buffer is made by mixing weak acid and its conjugate base (or) weak base and its conjugate acid.…

Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.