6. Identify the Lewis acid and Lewis base in the reaction: Co*(aq) + 6NH3(aq) Co(NH;)* (aq)

Q: Quinoline, CoH,N (MW = 129, pK, = 9.5) is used as a preservative for anatomical specimens and to…

A: Answer: Given that: pKb=9.5 As,  -logKb=pKb-logKb=9.5logKb=-9.5on taking antilogKb=3.16×10-10…

Q: The pH of a half-neutralized solution of a weak acid is 4.3. What is the dissociation constant (Ka)…

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Q: If the pKa of HCIO is 7.46 and the pH of an HCIO/NaCIO solution is 7.59, O [HCIO]>[CIO] O…

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Q: The pH of an aqueous solution of 5.35x102 M hydroselenic acid, H2Se (aq), is ? For H2Se Ka1 =…

A: The pH of a solution is guided by the concentration of the hydrogen ions.pH=-log10H+

Q: In aqueous solution, pentanoic acid (HC-H,02) dissociates to produce its conjugate base, the…

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Q: Would you expect Fe2+ to be the stronger Lewis acid? Explain.

A: A Lewis acid is a substance that accepts a pair of electrons.  A Lewis base is a substance that…

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: Estimate the pH of a 0.016 aqueous lead(ll) chloride

A: Hydrolysis of PbCl2 can form a weak base, Pb (OH) 2 and Cl- that does not combine with H+ as HCl is…

Q: The pH of a solution that is 0.5 in MA and 0.3 in HA is 5.40; determine the pKa of the acid.

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Q: Co** (aq) + 6NH;(aq) = Co(NH;);*(aq)

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Q: Acetic acid (pK, = 4.76) was dissolved in an aqueous solution buffered to a pH of 5.76. Determine…

A: The ratio of concentration of acetate ion and acetic acid can be calculated using Henderson…

Q: What is the pH of a 0.1250 M CH3NH3Br? Kb for CH3NH2 is 3.70e-4.

A: Given,  The pH of a 0.1250 M CH3NH3Br is : Kb for CH3NH2 is 3.70e-4.

Q: A 0.137 M solution of a weak base has a pH of 11.36. What is the base hydrolysis constant, ?b, for…

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Q: Consider the following reaction: CH3 COOH(aq)+OH- (aq)CH3 COO- (aq)+H2 O(l) In a sodium…

A: Ans The dissociation reaction of the acetic acid given as follows          CH3 COOH(aq)+OH-…

Q: 5. When 50.0 mL of 0.125 mol/L ethylamine (CH,CH2NH2) is titrated with o. 00 mol/L HCI, what is the…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: The pH of a 1.2 M solution of acrylic acid (HC,H,CO,) is measured to be 2.09. Calculate the acid…

A: Since the acrylic acid, HC3H3CO2 is a weak monoprotic acid. hence it will dissociate partially as…

Q: The pH of a 0.052M solution of acrylic acid (HC,H,CO,) is measured to be 2.77. Calculate the acid…

A: GivenpH = 2.77pH = -logH+2.77 = -log H+H+ = 0.00169 M[H+] = 1.7 * 10-3 M

Q: The base protonation constant K, of allantoin (C,H,N3O3NH,) is 9.12 × 10 °. Calculate the pH of a…

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Q: A 0.119 M solution of Covidenol, a weak acid, has a measured pH of 3.45. Determine the pka of…

A: For weak acid  PH= (1/2)(pka-log c)

Q: If the pH of a 0.0850 M solution of HB1O2 is 2.29, then what is the value for the acidity constant,…

A: HBrO2 +     H2O →     H3O+   +    BrO2-Initial              0.0850…

Q: 5. Which of the following are expected to act as a Lewis acid? Why? d. Et,O а. ВНз b. EtОH e. NH,+…

A: A Lewis acid is therefore any substance,  that can accept a pair of nonbonding electrons. In other…

Q: A) write a balanced net ionic equation for aqueous solutions of ammonia and its conjugate acid  b)…

A: NH3 is a base , so it will take proton and form its conjugate acid

Q: Galaulate the PH and the Pott FOR 9.6M solution OF MH₂ инз K. FOR NH3=1.97105

A: Here we are required to find the pOH and pH of 0.6M of ammonia solution

Q: The hypochlorite ion is the conjugate base of the weak acid hypochlorous acid. The value of Kb for…

A: A weak acid is defined as the acid which partially dissociates into its ions in a solution.…

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: Calculate the pH of a 0.10 M aqueous solution of zinc chloride, ZnCl2. The acid ionization of…

A: The question is based on the concept of chemical equilibrium. we have to calculate pH of the given…

Q: Identify the Lewis acid and Lewis base that lead to the - -2formation of the following species: (a)…

A: Lewis acid : molecule or ion which accepts electron in vacant orbital Lewis base : molecule or ion…

Q: The nitrite ion is the conjugate base of the weak acid nitrous acid. The value of K, for NO, , is…

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Q: 5. a. Write an equation to show that HPO, (aq) can act as a Brønsted ba se in water. b. Label the…

A: The equilibrium constant can be written as the ratio of concentration of products to the…

Q: If the pH of a 0.200 M solution of the CICH2O¯ ion is 12.05, then what is the value for the basicity…

A: Given: pH = 12.05 Thus, pOH = 14 - 12.05 = 1.95 As pOH = -log[OH-] Thus, [OH-] = 10-pOH = 10-1.95 =…

Q: What is the pH of 0.03 M acid solution? The K, of the acid is 5x10-3? А. 1.5 В. 1.9 С. 2.0 D. 2.3

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Q: monoprotic weak acid, HA, is ionized according to the reaction HA(aq) + H,O(1) =A (aq) + H,O*(aq)…

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Q: Given the pKa of hypochlorous acid, HOCl, is 7.54.   What is the pH of a solution which consists of…

A: The solution consist of weak acid HOCl and its conjugate base OCl- that results in the formation of…

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

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Q: Use Lewis structures to show how electron pairs move and bonds form and break in this reaction, and…

A: SO3 and H2O lewis structure is given  SO3 will behave as an electrophile due to the presence of…

Q: When chiorine (Cl2) gas is added to water during the disinfection of drinking water, it hydrolyzes…

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Q: THe pOH of 0.5 M solution of weak base is 4.72. What is its pKa?

A: Given-> pOH = 4.72  Molarity =0.5 M

Q: Which of the following substances can be classified as a Lewis base? CO Cu F a) O, only b) O, and CO…

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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: Consider the following bases: F A B Which of the following statements is true? (1) The ions increase…

A: An electron-withdrawing group increases the stability of an anion.

Q: Calculate the pH, pOH, and the fraction of protonated acid for the 0.1 M solution of lactic acid…

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

A: The protonation reaction of the compound is given as C4H4N3O3NH2 (aq) + H2O (l) ----->…

Q: The following reaction has a AG° value of +8.43 kJ/mol at 25 °C. HA(aq) + H20(1) =H;0*(aq) +A (aq)…

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Q: What is the pH of a 0.600 M solution of HSO, (Ka = 6.6 × 10°)? (Please show your answers with 3 sig…

A: pH of solution is equal to the negative logarithm of hydronium ion concentration. pH=-log(H3O+) Ka…

Q: Calculate the pH of a solution of 0.25M Nacio(ag). The Ka of HCIO is 2.9 x 108.

A: NaClO is a salt of weak acid HClO. It has pH greater than 7 as it is base.

Q: Calculate the pH of a 27 mg/L solution of hydrocyanic acid (HCN). The pKa of hydrocyanic acid is…

A: Given: The concentration of hydrocyanic acid is 27 mg/L. The pKa of hydrocyanic acid is 9.3.

Q: The base protonation constant K, of allantoin (C,H,N,0,NH,) is 9.12× 10¯°. 9. 4 Calculate the pH of…

A: Given information: Concentration = 1.3 M

Q: What I Can Do Activity 3.7: Answer what is being asked. 1. As acid strength increases, indicate if…

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Q: Q2 :- Calculate the value of the ionization constant, K, for aniline if the pK, is 10.5?

A: