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a) Write the dissociation reaction and corresponding K, expression for CH3NHs in water 8. b) Write...
Write the expressions for Kp for the following reactions: 1. a) 2NH3(g) + Co2(g) N2CH40(s) + H20 (I) b) CuO (s) + H2(g) Cu(l)+H20 (g) 2. At room temperature, a 1.5 L flask contains 3.0 moles of Cl, 0.5 mole of NOCI, and 4.0x10 mole of NO. Calculate Ke at this temperature for the following reaction: 2NO (g) + Cl2(g) 2NOCİ (g) 0.00245 M, does this represent a system at M, [No] 0.2 M and [Ch] If [NOCI] 2.0x 10...
1. Write the dissociation reaction and the corresponding K, equilibrium expression for each of the following )HCN bHOC.H 2. You may need Table 14.2 to answer the following questions a) Which is the stronger base, CT or HO b) Which is the stronger base, HiO or NO? c) which is the stronger base, Cr or OCH,7 3. Calculate the [H"1 of each of the following solutions at 25 C. Identity each solution as neutral, acidic, or basic. a) [OH] ....
Calculate the pH, the percent dissociation, and the concentration of OH- in 0.10 M of Acetic Acid solution (HC2H3O2) (Ka = 1.8 x 10^-5) (Kw = 1.0 x 10^-14)
Provide the K, expression for a) the autodissociation (autoionization) of water b) the dissociation of a weak acid HF in water
Please Answer ALL. Thanks. a Write a balanced chemical equation for the acid dissociation reaction of hypochlorous acid (HOCI) in water. (1 mark) b Write the Ka expression for Hoci based on the above equation. (1 mark) c The pH of a solution of hypochlorous acid (HOC) in water was found to be 3.9. What is the concentration of protons in this solution? (1 mark) d What is the concentration of the hypochlorite ion (OCDin this solution? (1 mark)
2. Calculate the pH of the following solutions: (a) [H3O+] = 1.4 x 10-'M (b) [OH-] = 3.5 x 10-2M (c) pOH = 10.5 3. What is the pH of a 0.10 M solution of HCIO4? (A strong acid) 4. Write the dissociation reaction and the corresponding K, expression for the following acids in water. (a) H3PO4 (b) C&H OH 5. Write the reaction and corresponding Ko expression for each of the following bases in water. (a) NH3 (b) PO4...
I need help with #4. "show by calculation why acetic acid (Ka = 1.8 X 10^-5), when combined with NaC2H3O3 as a buffer, will not produce a pH o 9.00" 1. What is the pH of a 1.0L buffer that is 0.10 M in Naz HPO4 and 0.15 M in NaH2PO4? Write the equilibrium reaction equation and corresponding Ka expression for the buffer. K for H2PO4 is 6.2 X 108 2. A 10.00 mL sample of 0.300 M NH3 is...
I need help with how to get concentrations of H+ and C2H3O2, K, and percent dissociation of each solution tested. Also the K expression. Please explain! ble 18.2 (continued) 3.2D Solutions Tested 0. 10 M HC HO, (HI(M) [C,H,O, (M) K I Percent Dissociation 0.010 M HC,H,O, 0.0010 M HC,H,O, pH 2.92 B39 579 Question Write the net lonic equation describing the dissociation of acetic acid in aqueous solution HC₂ H₂O₂ (aq) & At(aq) + CH32 Cag) Question Calculate (H)...
1. Write the equilibrium expression for the autoionization of water. Using this expression define the terms acid and base and pH. 2. Calculate the pH, pOH, Ka, Kb, pKa, and pKb for a 0.082M solution of triethylamine. 3. Calculate the pH, pOH, Ka, Kb, pKa, and pKb for a 1.570 M solution of hydrogen cyanide. 4. The acid-dissociation constant for hypochlorus acid is 3.0 X 10-8. Calculate the concentrations of H3O+, CIO-, and HCIO at equilibrium if the initial concentration...
I. REACTION EQUILIBRIUM IN NON-IDEAL SYSTEMS The acetic acid (CH:COOH) aqueous solution with a concentration of 0.1 mol/kg has a hydrogen ion concentration of 1.35x10-3 mol/kg. i. Write the acid dissociation equation. ii. Calculate the acid dissociation constant, Ka, considering the ionic activity. jïi. Calculate the pH of the acidic solution. iv. What is the new pH if the solution contains 0.1 mol CH3COOH and 0.4 mol of sodium acetate, CH3COONa, in 1.0 L of water? Consider the negligible quantitities....