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- Salts containing the phosphate ion are added to municipal water supplies to prevent the corrosion of lead pipes. Based on the pKa values for phosphoric acid (pKa1 = 7.5 * 10-3, pKa2 = 6.2 * 10-8, pKa3 = 4.2 * 10-13) what is the Kbvalue for the PO43- ion?Calculate pKa values from the following Ka’s and vice versa:a. Nitromethane, Ka = 5.0 x 10^-11 b. Acetone, pKa = 19.3 c. Acrylic acid, Ka = 5.6 x 10^-5 d. Formic acid, pKa = 3.7512. Bicine is an organic compound used as a buffering agent. It is one of Good's buffers and has a pKa of 8.354 at 25 °C. The molecular formula of bicine is C6H13NO4. Bicine can react with Ba(OH)₂ according to the following reaction. 2 C6H13NO4 + Ba(OH)2 → Ba(C6H12NO4)2 + 2 H₂O It took a student worker 3 steps to make a buffer solution. First, a bicine solution is made by dissolving 37.47 grams bicine in enough water. The total volume is 200.00 mL. Then 250.00 mL Ba(OH)2 solution is prepared by adding 36.57 grams Ba(OH)2 solid and enough water. At the end, a buffer solution is made by mixing 157.89 mL of the above bicine solution and 89.32 mL of the above Ba(OH)₂ solution. A. B. Determine the equilibrium concentration of bicine in the buffer solution. Please provider your answer below. Determine the equilibrium concentration of Ba(C6H₁2NO4)2 in the buffer solution. Please provider your answer below. Determine the pH of the buffer solution. pH = Please provider your answer below. 0² 0₂…
- 12. Bicine is an organic compound used as a buffering agent. It is one of Good's buffers and has a pKa of 8.354 at 25 °C. The molecular formula of bicine is C6H13NO4. Bicine can react with Ba(OH)2 according to the following reaction. 2 C6H13NO4 + Ba(OH)2 → Ba(C6H12NO4)2 + 2 H₂O It took a student worker 3 steps to make a buffer solution. First, a bicine solution is made by dissolving 37.47 grams bicine in enough water. The total volume is 200.00 mL. Then 250.00 mL Ba(OH)2 solution is prepared by adding 36.57 grams Ba(OH)2 solid and enough water. At the end, a buffer solution is made by mixing 157.89 mL of the above bicine solution and 89.32 mL of the above Ba(OH)2 solution. A. B. C. Determine the equilibrium concentration of bicine in the buffer solution. Please provider your answer below. A of Ba(C6H12NO4)2 in the buffer solution. Check answer Determine the equilibrium concentration M Please provider your answer below. A pH = Please provider your answer below. A $ Check answer…You are viewing Sonjae Wallace's screen REC View Options Q8: Level 3+ (Unit 13, L.G. 11) Given the following information: O1 + H,0 = HOI + OH H,0 = %H;0* + ½OH K, = 5 x 104 K2 = 1 x 107 What is the value of K for the rxn HOI + H,0 = 01+ H,0*? A. 2 x 10-11 B. 5 x 10 11 C. 2x 10-4 D. 4 x 104 To: Type P Type here to search a brt %23 * 4 5 Q Y. LL M alt alt ctriFind the pKa.pKa. For an acid HA, the concentrations of HA and A- A are 0.075 and 0.025, respectively, t pH 6.0.PH 6.0. What is the pKapKa value for HA? do 91974
- Calculate the following:The Ksp for SrF2 is 2.45 x 10-9. Use this information to calculate the solubility of Strontium Fluoride in water (find the [Sr2+] and [F-] at equilibrium). SrF2 (s) Sr2+ (aq) + 2F- (aq) I C EThe pKb for the propanoate ion, CH3CH2CO3 , is 9.126. What is the value of Ka (NOT the pKa) for propanoic acid, CH3CH2CO3H?
