Pkb = 5.80
-logKb = 5.80
Kb = 1.585*10^-6
Ka*Kb = 10^-14
Ka = 10^-14/(1.585*10^-6) = 6.31*10^-9
[H+] =(Ka*C)^1/2
[H+] = (6.31*10^-9*0.036)^1/2 = 1.507*10^-10
Ph = -logH+] = -log[1.507*10^-10]
Ph = 9.822
18 18-7 Codeine (C_18H_21NO_3) is a narcotic pain reliever that forms a salt with HC1. What...
help please Pyridine is a weak organic base, and readily forms a salt with hydrochloric acid. CsH; N(aq) + HCl(aq) = CsH NH+ (aq) + CI(aq) CI", if K, for pyridine is 1.5 x What is the pH of a 0.018 M solution of pyridinium hydrochloride, C, H, NH pH = Submit Answer Try Another Version 2 item attempts remaining
Question 15 (2 points) Which salt forms a solution with a pH < 7 when dissolved in water? OA) NaCH3COO OB) LINO2 OC) (NH4)2SO4 OD Rbl
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help? 7) What is the percent concentration of a solution containing 18 g of NaCl (salt) in 150 ml water?
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7:18 LTE 2. Culture medium in which an inhibitor, such as salt, has been added to prevent the growth of some 3. Buildup of microbes on solid surfaces in contact with water 4. The amount of time it takes for a bacterium to undergo one round of fission 10. Organisms that use chemicals as a source of 11. Organism that uses organic carbon to produce ATP 14. An organism capable of growing in temperatures above the boiling point of water...
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...
Based on #6 what is rhe answer to #7 Ba(OH)2 Bi 6. Barium hydroxide powder is stirred in water. Then the excess barn is stirred in water. Then the excess barium hydroxide is removed by centrifugation. The Ksp of barium hydroxide is 5X10 A. What is the equilibrium barium ion concentration in the solution? Kap - [Ba *2] [OH-]2 Rat2 + 20H- 5x10-3 = [Bat2] [OH-]2 5x10-3= (s) (25) [ Bg+2 = 0. 108 m B. What is the equilibrium...