(4c-301-2.56) What is the HT concentration of a solution with a pH of 2.56? Write your answer to three sigfigs, remember to include units, and show all work to support your answer.

Q: -7 The acid dissociation constant K, of alloxanic acid (HC,H,N,O,) is 2.24 x 10'. Calculate the pH…

A:

Q: Calculate the pH of the following acid solutions at 25 °C: (a) 1.0 x 10-4 M H3BO3(aq) (boric acid…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A solution is prepared at 25 °C that is initially 0.15M in acetic acid (HCH,CO,), a weak acid with…

A:

Q: The base protonation constant K, of azetidine (C,H¸NH) is 1.5 × 10 °. 8- Calculate the pH of a 0.80…

A:

Q: the following expressions for K. Write your answer on a separate sheet of paper. 10 (pCO,) (pH,0)²…

A: Equilibrium constant is of three types  A. Equilibrium constant in terms of pressure, Kp. B.…

Q: -The pKa of finalic acid is 6.50, What is the pH of an equimolar solution of finalic acid and sodium…

A: Given: Molarity of finalic acid         = 0.1 M Molarity of sodium finalate = 0.1 M pKa of finalic…

Q: A 0.0450 M solution of benzoic acid has a pH of 2.78. Calcula pK, for this acid. What is the percent…

A: 5.) Given that : The molarity of benzoic acid = 0.0450 M pH of the solution = 2.78

Q: The base protonation constant K, of allantoin (C,H,N,O,NH,) is 9.12 x 10. Calculate the pH of a 1.3…

A: Reaction: C4H4N3O3NH2 + H2O ⇌ C4H4N3O3NH3+ + OH-    Kb of allantoin = 9.12×10-6  Concentration = 1.3…

Q: Hypochlorous acid (HOCI) is the main disinfecting form of "active chlorine" or bleach. a. Using its…

A: a)   HOCl dissociates in aqueous solutions as per the following reaction:   HOCl↔H++OCl-

Q: The base protonation constant K, of allantoin (C,H,N,0,NH,) is 9.12 x 10 °. Calculate the pH of a…

A: Given-> Kb of allantoin = 9.12 × 10-6 Molarity = 1.3 M

Q: What is the ionization constant at 25 ◦C for the weak acid (CH3)2NH3 +, the conjugate acid of the…

A: The expression for the ionic product of water is as follows,                                   Kw =…

Q: Phosphoric acid (H3PO4) is tribasic, with pKa's of 2.14, 6.86, and 12.4. The charge of the ionic…

A: Given: pKa's of phosphoric acids are 2.14, 6.86 and 12.4. And the pH of the solution = 8

Q: The Ka of propionic acid (HPro) is 1.3 x 105. Which of the following statements is true about…

A:

Q: At 90 C , Kw is about 10-13, what is the pH under these conditions?

A:

Q: Calculate the acid dissociation constant Ka of a 0.2 M solution of weak acid that is 0.1% ionized is

A: Given, A solution of weak acid that is 0.1% ionized.

Q: Calculate the fraction of the weak base in each of its forms at pH 9.62.

A:

Q: What is the ionization constant at 25 °C for the weak acid (CH3)2 NH2 +, the conjugate acid of the…

A: The weak base given is (CH3)2NH. Conjugate acid of any weak base is produced when the base accepts a…

Q: Calculate the [OH−] of a solution of 0.1595 M C5H5NH3F if Kb = 1.800e-9 for C5H5NH2?

A: The equilibrium constant for a reaction is expressed in terms of the ratio of the concentration of…

Q: Some distilled water showed pH of 9.00 or marketed as alkaline water. What is the procedure…

A: Given, pH of some distilled water is ---- 9.00. What is the procedure to convert neutral water into…

Q: The base protonation constant K, of azetidine (C,H,NH) is 1.5 × 10¯ °. Calculate the pH of a 1.0 M…

A:

Q: Calculate the pH of a solution prepared by mixir (Ka-6.46 x 105) with 5.00 mL of 0.200 M NaO…

A:

Q: The base protonation constant K, of azetidine (C, H,NH) is 1.5 × 10°. Calculate the pH of a 0.53 M…

A: Given : concentration of solution of azetidine = 0.53 M  Kb for azetidine = 1.5 × 10-8  To calculate…

Q: Calculate 3OH-4 and pH for (a) 1.5 * 10-3M Sr1OH22,

A: A pH is a unit to the acidity of the solution. The expression to calculate pH are as follows:…

Q: What is the ionization constant at 25 C for the weak acid (CH3)2NH2+, the conjugate acid of the weak…

A: The given solution contains a weak acid and a weak base.

Q: What is the pH of a vinegar with 25.65 % (w/v) acetic acid in water? The pKa of acetic acid is…

A: Consider the given information is as follows;  %(w/v) acetic acid = 25.65% pKa of acetic acid =…

Q: -69 The acid dissociation constant K, of hypobromous acid (HBrO) is 2.3x 10. Calculate the pH of a…

A: Consider the dissociation of hypobromous acid is as follows:                       HBrO   →     H+…

Q: The pH of a 1.2M solution of carbonic acid (H,CO,) is measured to be 3.13. Calculate the acid…

A:

Q: 5. a) The Kw value that we normally use is for room temperature (25°C). Calculate the equilibrium H+…

A: a) Given : Kw at 0.0 oC = 1.14 X 10-15  Since Kw = [H+ ] X [OH- ] where [OH- ] = equilibrium…

Q: The acid dissociation constant K, of hydrocyanic acid (HCN) is 6.2 × 10 1". а -10 Calculate the pH…

A: In this question, we want to determine the pH of the Solution.  You can see details Solution below.…

Q: The base protonation constant K, of allantoin (C,H,N,O,NH,) is 9.12 x 10 °. Calculate the pH of a…

A: Given Initial Concentration = 0.47 M Kb = 9.12 × 10-6

Q: At 60 °C, Kw for water is 1.0 × 10¹³. At 60 °C, a weak acid has a Ka of 1.3 x 10-4. What is the Kb…

A: Acid can be defined as a substance that give hydrogen ions in an aqueous solution.

Q: What is the expected pH of an aqueous solution consisting 150.0 mL 0.2500 M HBr04 mixed with 150.0…

A:

Q: A solution is prepared at 25 °C that is initially 0.44 M in methylamine (CH, NH,), a weak base with…

A: Methylamine is weak base and Methyl ammonium bromide is its salt.so the solution is buffer solution.…

Q: Dindicates concentrat on che pH of a solution, ha

A:

Q: d. Calculate the K, of the pyruvate ion. How does the value of the K, make sense in relation to the…

A: The answer to the following question is-

Q: The acid dissociation constant K, of carbonic acid (H,CO,) is 4.5 × 10~7. Calculate the pH of a 4.0…

A:

Q: ajuse the nule of loga for ithms and exponents to Solne ur [H+] In terms of PH %31

A: We have to predict Hydrogen ion concentration in terms of pH .

Q: Hydroxylamine, HONH2, readily forms salts which are used as antioxidants in soaps. Hydroxylamine has…

A: NH2OH    +H2O   →NH3OH        +        OH-aq              l            aq…

Q: The base protonation constant K, of allantoin (C,H,N;03NH,) is 9.12 × 10 °. Calculate the pH of a…

A: Given:

Q: CH3NH2 is a weak base (Kb = 5.0 x 10-4 ) and so the salt CH3NH3NO3 acts as a weak acid. What is the…

A:

Q: The acid dissociation constant K, of hydrocyanic acid (HCN) is 6.2 x 10 -10 Calculate the pH of a…

A:

Q: Write equilibrium showing the carbonate anion (CO32-) acting as a Brønsted base in aqueous solution.…

A:

Q: 4. You are given 1.500 M of HC1O,, Ką = 1.1 × 10² at 25°C. Determine its pH.

A: SOLUTION: Step 1: Since HClO2 has a low Ka value, it is a weak acid. Weak acids partially dissociate…

Q: Are all bases alkaline in nature?

A: Alkalis are the bases that can be dissolved in water

Q: The base protonation constant K, of trimethylamine ((CH,) N) is 6.31 × 10 °. 3 Calculate the pH of a…

A:

Q: Calculate the isoionic pH of 6.022 x 1021 molecules of thereonine in 500 mL of solution. (For…

A:

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: c) At pH 1.58, calculate the free [CO32-] when [CO32-]t = 48 mM. You can either solve 3 simultaneous…

A: Given TOTCO3 = 48 mM or 4.8*10-2 M  => [H2CO3] + [HCO3-] + [CO32-] = 4.8*10-2 M   K values of…

Q: Hydroxylamine, HONH2, readily forms salts such as hydroxylamine hydrochloride which are used as…

A: Since Kb of hydroxylamine is very less so it is assumed that reaction proceeds upto very less extent…

Q: Calculate the pH of a 0.05 mol dm3 CH;COOH solution: the dissociation constant Ka for CH;COOH is…

A: An acid which will not dissociate completely to furnish hydrogen ion is called weak acid

Q: The acid dissociation constant K, of alloxanic acid (HC,H,N,0,) is 2.24 × 10". Calculate the pH of a…

A:

Q: The acid dissociation constant K of alloxanic acid (HC,H,N,05) is 2.24 x 10 a. Calculate the pH of a…

A: [HA] = 2.8 M ( concentration of alloxanic acid ) Ka = 2.24 × 10-7 pH =?