What is the pH of a 0.0257 M solution of NaOH (γγOH- = 0.889)?

Q: what is the pH of 1.0 x 108 M solution of H2S04? Ka for the reaction is100 Select one: О а. 8.00 ОБ.…

A: In order to calculate the pH we first write down the given data: Concentration of the acid= 10-8 M.…

Q: What is the [H+] for a 0.010 M HOBr, hypobromous acid, solution?  Ka for HOBr is 2.5 x 10-9.

A: We know pH = -log[H+] HOBr is a weak acid.  So we will use the formula pH = 1/2(pKa - logC)

Q: 3. Calculate the pH of a 0.600M solution of Na2S

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Q: Predict the products of the following reactions. HCI

A: Since you have posted a multiple questions, as per our company guidelines we are supposed to answer…

Q: Write the chemical equation and the Ka expression for theionization of each of the following acids…

A: a)  HBrO2 l → H+ aq +BrO2- aqand writing the Ka expression :Ka=H+ BrO2-HBrO2The reaction to…

Q: Nitrous Acid (HNO2) has a Ka value of 5.6x10–4. Calculate the pH of a solution that is 0.00298 M…

A: pH = -log[H+] For a weak acid solution: [H+] = (Ka x C)1/2 Where, C = molarity of acid

Q: Account for the following : (a) La(OH)3 is more basic than Lu(OH)3 (b) Zn2+ salts are white. (c)…

A: a)  Due to lanthanide contraction, the size of Lu3+ is decreased, then, the covalent character of…

Q: John made a buffer solution A at pH =8, and pKa = 9.

A: Given: Buffer solution A have pH= 8 pKa = 9 To determine: The buffer solution A have more buffer…

Q: Which of the following is an acidic salt? O a. Na2SO4 O b. NaCI С. КС O d. NH4CI O e. CH3COONa

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Q: Calculate the concentration of HBr in a solution at 25°C that  has pOH (a) 9.19, (b) 12.18, and (c)…

A: HBr is a strong acid and 100% dissociate in the solution. Now at 25°C the relationship between pH…

Q: What is the pH of the 0.200 M H2CO3 solution?

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Q: 1. Calculate the ratio of CH₂COOH/NaCH₂COO to give a buffer solution at pH 5.

A: given, pH of the buffer solution = 5

Q: 5. Calculate the pH, % hydrolysis, and [H2SO3] in a 0.250 M solution of K2SO3

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Q: addition of a small amount of HNO3 to a solution containing CN- ions and HCN?

A: We will explain change in solution upon addition of HNO3

Q: What are the concentrations of H3O+ and OH− in oranges that have a pH of 3.71?

A: pH :-  The negative logarithm to the base 10 of hydronium ion concentration expressed in mol/L of…

Q: If 20.00 mL (0.0200 L) of the oxalic acid solution prepared in question 6 is used to titrate a NaOH…

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Q: A student determines that the value of pKa for CH3COOH = 4.57 . What is the value of Ka?

A: Carboxylic acids (containing -COOH), such as acetic and lactic acids, normally have a Ka constant of…

Q: What is the pOH of a solution that has a H3O+ concentration equal to 8.23 x 10-5 M at 25°C?

A: The sum of pH and pOH is equal to 14.  So from pOH value also we can know that the solution is…

Q: 07. What is the Ka value for nitrous acid.

A: ⊙HNO2 (aq) + H2O (l) ⇌ H3O+ (aq) +NO2- (aq)pH = -logH3O+orH3O+ = 10-pH = 10-2.07 = 0.00851 M or 8.51…

Q: What is the pH of a solution

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Q: What is the pOH of 0.92 M RBCIO4?

A: Given : Concentration of RbClO4 = 0.92 M

Q: Solution of 0.1 M NaHPO4 a Equilibrium reaction

A: Given compound is 0.1 M NaH2PO4

Q: For each group of anions, rank in order of increasing conjugate base strength. Briefly explain.…

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Q: What is the pOH of a solution with [H+] = 3.37 x 10-5 ?

A: given - [H+] = 3.37 x 10-5 pOH = ?

Q: Calculate the Ka of a 0.390 M acid solution with [H3O+]= 4.52 x 10-5M

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Q: The pKa for the first protonation of nicotine (2) is 8.02. What is the pH and the fraction of…

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Q: -NH2 но NH b. OH

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Q: Calculate the pH of the following solutions.  0.10 M trisodium pyridoxal-t-phosphate

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Q: 3) What happens when the blood becomes more alkaline? Show the equation.

A: When the blood pH is too high, it is said to be alkaline. The bicarbonate ion is removed from kidney…

Q: What's the ppting agent of ferric ion and why nitric acid and hydrogen peroxide are added to…

A: The technique by which the ion amount or ions in a specific analyte are determined is called…

Q: What is the concentration of a solution of Ca1OH22 for which the pH is 11.68?

A: Ca ( OH)2 ------> Ca + 2 OH - pOH = 14 - 11.68 = 2.32 pOH = - log [ OH-] 2.32 = - log [OH-] [OH-]…

Q: The Ka value for hypochlorous acid (HClO) is 3x10-8 at 25 ºC. What is the ionization percentage of…

A: The concentration of hydrogen ions released by HClO at equilibrium can e determined as follows: H+ =…

Q: What are the concentrations of H3O+ and OH− in oranges that have a pH of 3.92?

A: pH is the potential of the hydrogen. It basically defines how acidic or basic the respective…

Q: Eメーツ colculate the pH of o-2M a monium. hy droxide solution if pKb=4:7· ニ

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Q: What is the percent ionization at 25 °C for a 0.00675M solution of codeine (CH2,NO)? O 18.7% O 1.54%…

A: Codeine is a weak base , to calculate its percent ionization we would first calculate draw an ICE…

Q: What are the concentrations of H3O+ and OH− in oranges that have a pH of 3.97?

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Q: What is the predominant form of ammonia in a solution at pH 7.0? Approximately what fraction is in…

A: pH of compound is the negative logarithm of its hydrogen ion concentration. The pH  of a compound…

Q: Calculate the pH of a of 0.100M KBRO solution. Ka for hypobromous acid, HBRO, is 2.0 x 10 6- 10.85…

A: Given: The concentration of the KBrO3 solution = 0.100 M The Ka for HBrO3 = 2.0 × 10-9 We have to…

Q: B. Calculate the PH and to YOH FOR 9.209 M Solution Cr (₂(04),

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Q: A weak acid has a pKa of 7.48. What is the pH if the solution has 6,753 times more HA than A-?…

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Q: If an acidic solution is more concentrated, does it mean that it produces more H+ ions than if the…

A: Acidic solutions are those which have a pH of less than 7.

Q: Calculate the sodium acetate/acetic acid ratio to prepare a buffered solution with a pH of 5.06.…

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Q: calculate the PH and the POH FOR solution OF HNO₂ a Ki FOR AM₂ = 5₁1x10-7 .00841

A: 0.0084 M solution of HNO2 has a Ki of 5.1 × 10-4 .We have to calculate the value of pH and pOH .

Q: Account for the following: (i) NH3 is a stronger base than PH3. (ii) Sulphur has a greater tendency…

A: According to Lewis concept, electron donor species is defined as Lewis base while the electron…

Q: a. What is the value of k in s?

A: We have to find rate constant, decay rate and time needed to do experiment  Given half life = 16…

Q: When preparing 0.075 M KCN solution, the equilibrium constant (Ka) was found to be equal to 49 x…

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Q: The pH for 0.0850 M solution of C6H5CH2COOH is 2.68. Determine the value of Ka for C6H5CH2COOH.

A: Given pH of C6H5CH2COOH is = 2.68. We Know, pH = - log[H3O+] So, 2.68 = - log[H3O+] Or, log[H3O+] =…

Q: Calculate the pOH of the following solutions at 25°C. (a) [OH]-8.47 x 10-11 %3D РОН %3D (b) [OH ]=…

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