The value of Kw at 50°C is 5.48 × 10−14. Calculate the OH− concentration from the above solution at 50°C.

Q: What is the hydronium ion and hydroxide concentration in pure water at 100 °C where the Kw is found…

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Q: What is the concentration of hydroxide ion in a 0.54 M aqueous solution of hydroxylamine, NH2OH?…

A: Hydroxyl amine is a weak base and it partially dissociates into NH2+ ion and OH- ions. The ICE table…

Q: 1. CH,MgBr 2. ETOH by choosing buttons

A: Conjugated system has high LUMO orbital density at beta carbon and at carbonyl carbon.  Grignard…

Q: a HOCI, HI, Nal, NaOCl Increasing pH of 0.15-M solution Drag and drop your selection from the…

A: (a) Given solutions: HOCl (weak acid) NaI (neutral solution from from strong base NaOH and strong…

Q: Methylamine, CH3NH2, has a Kb of 4.4 x 10-4.  What is the pH of a 0.45 M solution of methylamine?…

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Q: Calculate the pH of a 0.081M NaCN solution at 25 degrees Celsius. Ka (HCN) = 4.9 x 10^(-10). You…

A: Given, Concentration of NaCN solution = 0.081 M Ka of HCN = 4.9 × 10-10 pH of the solution = ? Note:…

Q: Determine the pOH of a 0.625 M HClO solution. Ka = 3.0 x 10-8

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Q: What is the molar concentration of H3O+H3O+ in a cola that has a pHpH of 3.120?

A: Cola is a soft drink that tastes sweetened with a variety of flavors and it is generally carbonated.…

Q: The pH of dissolving 1.48 g of propanoic acid (CH3CH2COOH, Ka 1.3X105) in 200 mL H20 is 4.82 O 3.71…

A:

Q: Calculate: The pOH of a 5.0mL 0.30M solution of Ca(OH)2 that is diluted to 12.6mL.

A: Given,             5.0 mL 0.30M solution of Ca(OH)2        No. of moles of Ca(OH)2 = 5×10-3L × 0.30…

Q: The H3O+ concentration in coffee is about 1 X 10-5 M. What pH is this?

A: The pH of a solution is equal to –log[H+] where [H+] is the concentration of hydrogen ions present…

Q: Calculate the pOH for a solution where [H30*] = 5.7x10-5. Express your answer to two decimal places.…

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Q: 4,What notation is used to indicate that salt is dissolved in water? Group of answer choices A, (s)…

A: An aqueous solution is a solution is which Solvent is water.

Q: Write the dissociation reactions for KI (aq) in water and for (NH4)2S2O8 (aq) in water.

A: We have to write the dissociation reactions for KI (aq) and for (NH4)2S2O8 (aq) in water.

Q: A 25.0 mL solution of HCl is neutralized with 18.2 mL of 0.240 M Ba(OH)₂. What is the concentration…

A: The reaction between HCl and Ba(OH)2 will form salt and water as product.

Q: The value of Kw at normal body temperature (37°C) is 2.8 ×10−14. Calculate the concentration of…

A: At normal body temperature Kw = 2.8 × 10-14. The ion-product constant for water is given by,

Q: The pH of a 0.045 M Ca(OH)2 solution is: +1.3467 O +12.954 O +12.653 O -1.3467

A:

Q: What is the concentration of hydroxide ion in a 0.19 M aqueous solution of hydroxylamine, NH2OH?…

A: hydroxylamine is a weak base. Hence it will dissociate partially as per the reaction NH2OH (aq) +…

Q: If Kw is 2.9 x 10-15 at 10 0C, what is the pH of pure water at 10 0C ?

A: Given :- Kw at 10°C = 2.9 × 10-15  To be calculated :- pH of pure water at 10°C

Q: The pH of saliva is about 7.40 that means the concentration of Hydrogen in it is about: [H+] = x 10

A: The pH of a solution is the negative logarithm of hydrogen ion concentration. It can be written as:…

Q: Vhat is the pOH of a 0.0250 M HI solution? А. 0.944 В. 12.398 С. 1.602

A: Given : Molarity of HI = 0.0250M

Q: Kw for water at 100 degrees celsius is 49 x 10^-14. Calculate the concentration of hydroxide ions in…

A: Given Kw = 49 × 10-14 H2O ----------> H+ + OH- Kw = [H+] [OH-]

Q: A solution has [H⁺] = 4.9 10⁻³ M. The [OH⁻] in this solution is A) 1.0 10⁻¹⁴ M B) 4.9 10⁻¹¹ M C) 4.9…

A: Given is, [H⁺] = 4.9 ×10⁻³ M

Q: What is the pOH of an aqueous solution of 6.78x102 M potassium hydroxide? pOH =

A: The given data is as follows: The concentration of potassium hydroxide = 6.78×10-2 M The pOH of the…

Q: Write the net ionic equation for the aqueous solution: Potassium Benzoate(KC_7H_5O_2) and…

A: Ionic equation is an equation in which ions are explicitly shown. Net ionic equation is the chemical…

Q: For each of the following substances dissolved in water, predict whether the expected pH range of…

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Q: Use the table below to determine which flask, at 25°C, contains the most basic solution based on the…

A: The data given is,

Q: pOH of an aqueous solution of 8.35x102 M potassium hydroxide

A: The pOH of an aqueous solution of 8.35×10-2 M potassium hydroxide is to be determined.

Q: Calculate OH- and H3O+ in 3.0 x 10^-2 M NaOH, using Kw

A: The solution is as follows :

Q: Calculate the pH of a 0.021 M NaCN solution at 25 degrees Celsius. Ka (HCN) = 4.9 x 10^(-10). You…

A: Given, Concentration of NaCN solution = 0.021M. Ka(HCN) = 4.9*10-10. The hydrolysis reaction of NaCN…

Q: What is the (OH] in a solution that has a [H30) = 1 × 10°2 m? 1x 10-10 M 1x 106 M B. oc* 10-8 M IC.…

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Q: What is the pH of an aqueous solution of 8.92x102 M potassium hydroxide? pH %3D

A:

Q: What is the [H+1] in a 0.0001 M solution of HCl? Group of answer choices 1 x 10–14 M 1 x 10–10 M 1 x…

A: Since HCl is a strong acid. Hence it will dissociate completely as per the reaction  HCl ----->…

Q: The pH of dissolving 1.48 g of propanoic acid (CH3CH2COOH, Ka = 1.3X10-5) in 200 mL H20 is %3D 4.82…

A:

Q: A student is required to determine the pH of a water sample that was believed to be contaminated…

A: It is a strong base that means in H2O it will be completely dissociates as Mg+2 and 2 HO-

Q: Determine [H3o*] in a solution where [HNO3] = 0.692 M. (H30*) =O M

A: Given, concentration of HNO3 = 0.692 M  HNO3 is a strong acid dissociates completely into its ions.

Q: At 50 degree Celsius the Kw for PURE water is 5.50 x 10 14 ind pH of pure water at this temperature.…

A: Kw= [OH-]×[H+]

Q: Determine [H3O+] in a solution where [Ca(OH)2] = 0.0193 M.

A:

Q: 1. Indicate the pH values that you determined for the solutions in Part B of this experiment on the…

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Q: Calculate the volume in mL of a 0.150 M NaOH solution needed to neutralize 275 mL of 0.0500 M…

A:

Q: Calculate the hydronium concentration of a 5.59x10–5 M HCl solution. Enter your answer as x.x*10^#…

A: Given: Concentration of HCl = [HCl] = 5.59x10–5  M

Q: 3. A 5.0 M solution of HCl in water has a proton concentration of М. 4. A 0.01 M aqueous NaOH…

A: Molarity :- It is the number of moles of solute dissolved per litreof solution . It is represented…

Q: What is the [H;O *] in a solution that has a [OH ]= 2.5 x 10 8 M? A) 1.0 x 10 6 M B 2.5 x 10 22 M…

A: Given : [OH- ] = 2.5 X 10-8 M

Q: Calculate the pH of the following solutions: A.     0.01 M NaOH…

A: We need to determine pH of given solution.    Note : Since there are multiple questions posted, as…

Q: 6) The value of Kw at 37 °C (human body temperature) is 2.1 x 10-14. a) At this temperature what is…

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Q: 15) HCI 16) OK 17) OH

A: Here the reaction proceed through HCl acid by abstracting the proton from acid and product formed…

Q: Why must the following analysis be conducted in bodies of water? c. Total hardness

A: Total hardness of water plays vital role in water bodies.

Q: 15 16 17 18 19 20 21 22 23 24 25 26 27 An aqueous solution at 25 °C has a OH concentration of 1, x…

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Q: Calculate the hydronium and hydroxide ion concentration of pure water at 100 degrees celsius (Kw =…

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.