Given that pH + pOH = 14 and that the concentration of water in a solution of water is 55.5 M, show that the pKa of water is 15.7.

Q: The pH of an aqueous solution of weak monoprotic acid is 3.15. What is the initial…

A: Value of pH is sued to measure acidity or basicity of a solution. Value of pH lies in the range from…

Q: Calculation of pH (SHOW CALCULATION FROM THE GRAPH IATTACH GRAPHI 2.Find out pH at equivalent to…

A: Plot of pH vs Volume of NaOH added

Q: A 0.495M solution of nitrous acid, HNO2, has a pH of 1.83. Calculate the value of Ka for nitrous…

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Q: Calculate the formate ion concentration and pH of a solution that is 0.050 M in formic acid (HCOOH,…

A: Since HCOOH is a weak acid and HNO3 is a strong acid Hence HNO3 will dissociate completely into ions…

Q: Calculate the pKa of hypochlorous acid. The pH of a 0.015 M  solution of hypochlorous acid has a pH…

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Q: Given that pH + pOH = 14 and that the concentration of water in a solution of water is 55.5 M, show…

A: Introduction: The value of equilibrium constant  Ka for weak acid in an aqueous solution predicts…

Q: Write an equation for the proton-transfer reaction between a phosphate ion (PO43–) and water, and…

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Q: Calculate the pKa of the weak acid HA, given that a solution of 0.65 M HA and 0.85 M NaA has a pH of…

A: The formula for calculating pKa of an acid with the given values of pH and concentrations of HA and…

Q: What is the pH of a 0.35 M solution of trimethylamine, (CH3),N (Kb = 7.4 x 10 5)?

A: Given : concentration of (CH3)3N solution = 0.35 M  Kb for (CH3)3N = 7.4 × 10-5  To calculate :-  pH…

Q: The base protonation constant K of azetidine (C,H,NH) is 1.5 x 10 Calculate the pH of a 0.70 M…

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Q: Calculate the pH of 1M solution of acedic acid (pKa = 4.76)?

A: The pH of the acetic acid solution can be calculated using the formula shown in belowpKa =…

Q: Consider the molecule, pentanoic acid which has a pKa of 4.81: H3C OH  At each of the following pH…

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Q: The concentration of acetic acid (pKa =4.75) in vinegar is about 1.0 M. With this information, what…

A: Acetic acid is a weak acid and it does not dissociate completely into ions. The pKa of acetic acid…

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: Use resonance forms of the conjugate bases to explain why methanesulfonic acid (CH3SO3H,pKa = -2.6)…

A: The resonance forms of the conjugate bases of methanesulfonic acid and acetic acid is as follows,

Q: Calculate the pH of 1.0 M hydrazinium chloride, N2H5CI. For hydrazine, N2H4, Kp = 1.3 x 106. pH =…

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Q: How does pKa relate to acid strength?

A: For any weak acid, let's say HA, pKa is the relationship between the dissociation constant of acid.…

Q: What is the conjugate acid of HPO42− ?

A: When the base is added with a hydrogen ion i.e H+ ion it gives the conjugate acid of that base.

Q: Calculate the pH of a 0.20 M solution of sodium acetate (NaCH3COO) given that the Ka of acetic acid…

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Q: What is the pH of a solution at 298 K that is prepared by diluting 275 mL of 0.551 M Ca(OH)2 to 2.50…

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Q: At what pH is the concentration of a compound, with a pKa = 8.4, 100 times greater in its basic form…

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Q: What is the pH value of sodium hydroxide if it has a power of hydrogen (pOH) of 2.46?

A: pOH of sodium hydroxide = 2.46  pH  of sodium hydroxide = ?

Q: Calculate the pH of a 0.60 M solution of ethylamine(C2H5NH2, Kb = 5.6 x 10-4.)

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Q: Calculate the pH of the following solutions: a. 0.34 M hydrocyanic acid. b. 1.5 M solution of…

A: pKa of hydrocyanic acid is 9.2

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: Determine the pH of 0.188 M  basic solution.  The kb of the base =1.76e-5

A: Using concept of PH determination of weak base by applying following formulas x=√KbC PH+POH= 14

Q: Calculate the pH of a 0.0101 M aqueous solution of formic acid (HCOOH, Ka = 1.8E-4). pH =

A: For weak monoprotic acid ( HCOOH) : pH = 0.5 x (- log Ka - log C ) pH = 0.5 x ( - log 1.8 x 10-4 -…

Q: What is the pH of a 0.21 M solution of methylamine

A: Given :-  Initial concentration of CH3NH2 solution = 0.21M  Kb = 4.4 × 10-4  To calculate :-  pH of…

Q: Determine the pka of an acid whose concentration is 0.100M and pH is 2.86.

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Q: The pKa of a particular weak acid is 4.85. What is the pH of the weak acid solution when exactly…

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Q: 25. Mik of nmagnesia, Mg(OH),, has a pH of 10.5. Calculate the hydronium jon concentration of the…

A: Given pH for milk of magnesia Mg(OH)2 =10.5 We know, pH=-log[H3O+] 10.5 = -log[H3O+] Taking antilog…

Q: Estimate the pH of 0.0025 M NH(CH3)3Cl(aq) at 25°C. It is given that trimethylamine ((CH3)3N) has a…

A: Given : Concentration of salt = 0.0025M pKb = 4.19

Q: What is the pH of a solution that contains 0.135 M HCOOH and 0.215 M HCOONa? The pKa of formic acid…

A: pH of the solution is equal to the negative logarithm of hydronium ion while pOH is equal to the…

Q: Calculate the pH of a 0.1M solution of protonated methylamine (pKa =7)

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Q: What is the pH of a 0.15M solution of potassium nitrate? (The Ka value for nitrous acid is 4.0 x…

A: Considering the given solution to be 0.15 M potassium nitrite, we have solved further.

Q: What is the pH of a 0.0670 M solution of methylamine (CH3NH2, Kb = 4.4 x 104)? %3D

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Q: provide an explanation of the graphs (a) and (b) the relationship of the biological activity of the…

A: Sulfonamide (also known as sulfa drugs) is the fundamental functional group of more than a few…

Q: Based on the materials measured in the Gizmo, what is the most likely pH of apple juice? O A. 0.3 О…

A: The easy formula to calculate the pH is -log[H+]. Here [H+] is the molar concentration of the…

Q: Write an equation to show how HC204 can act as an acid with HS¯ acting as a base.

A: Bronsted-Lowery acid base theory :   Bronsed acid : Proton (H +) donar is acid  Bronsted base :…

Q: If pH = 5.7, what is [OH ] ?

A: Given a PH = 5.7  Calculate the [OH-] concentration.    calculate the [OH-] of first of calculate…

Q: Deionized water at 10c  in which Kw = 2.89e-15 , pkw= 14.539  what is the pH , poH , [OH], [H3O+]?

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Q: Calculate the pH at 25 °C of a solution that is 1.00 M in NaClO(aq) and 2.00 M in HClO(aq). For…

A: pH of the solution is 2.87.

Q: Calculate the concentration of an aqueous solution of Ca1OH22 that has a pH of 10.05.

A: Since Ca(OH)2 is insoluble salt  Hence molar solubility of Ca(OH)2 = concentration of Ca(OH)2 in…

Q: What is the pH of a 0.500 M solution of trimethylamine (pKb = 4.13)?

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Q: Calculate the pKa of the weak acid HA, given that a solution that is 0.357 in HA and 1.24 in A- has…

A: Buffer solution is made of weak acid and it's conjugate base or weak base and it's conjugate acid.

Q: Find the pH of a 0.204 M KClO solution. (The Ka of hypochlorous acid, HClO is 2.9×10-8

A: Kclo is a salt of weak acid and strong base so use the formula of PH of salt. PH=10.4

Q: The pka of a particular weak acid is 4.85. What is the pH of the weak acid solution when exactly…

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Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.