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Salt of a Weak Base and a Strong Acid. pH of Solution. Calculate the pH of...
1. Calculate the pH of a 0.543 M aqueous solution of codeine (C18H21O3N, Kb = 8.9×10-7). pH = 2. Calculate the pH of a 0.1250 M aqueous solution of piperidine (C5H11N, Kb = 1.3×10-3). pH = 3. Calculate the pH of a 0.0774 M aqueous solution of the weak base triethylamine ((C2H5)3N, Kb = 5.20×10-4). pH =
1. Calculate the pH of a 0.0162 M triethylamine hydrochloride solution. Kb ((C2H5)3N) = 5.6 × 10−4. show work. 2. In a flask, you have 35.00 mL of 0.140 M acetic acid, a weak monoprotic acid with Ka = 1.8 × 10−5. Calculate the pH after the addition of 9.10 mL of 0.140 M NaOH. show work.
a)Calculate the pH of a weak base solution ([B]0 > 100 • Kb). Close Problem Calculate the pH of a 0.289 M aqueous solution of triethanolamine (C6H15O3N, Kb = 5.8×10-7) and the equilibrium concentrations of the weak base and its conjugate acid. pH = [C6H15O3N]equilibrium = M [C6H15O3NH+]equilibrium = M b) Calculate the pH of a 0.0338 M aqueous solution of dimethylamine ((CH3)2NH, Kb = 5.9×10-4) and the equilibrium concentrations of the weak base and its conjugate acid. pH = ...
1) The pH of an aqueous solution of 0.442 M caffeine (a weak base with the formula C8H10N4O2) is ______ 2) The hydroxide ion concentration, [OH-], of an aqueous solution of 0.442 M diethylamine (a weak base with the formula (C2H5)2NH) , Kb = 6.9×10-4, is: [OH-] = ________ M.
7) 0.1 N NaOAc (salt of a strong base and a weak acid) Questions: Which salt solutions give acidic solutions? Titration of a weak base with a strong acid gives the salt of the weak base. Which indicator should be used? Which salt solutions give virtually neutral solutions according to your estimates? *Titration of a strong acid with a strong base yields a solution of their respective salts. Which indicator should be used?Which salt solutions give basic solutions? Titration of a weak acid with a strong...
The salt formed by the reaction of the weak base aniline, C6H5NH2, with the strong acid nitric acid is anilinium nitrate, C6H5NH3NO3. What is the hydronium ion concentration of a 0.158 M solution of anilinium nitrate at 25∘C given that the value of Kb for aniline is 4.300×10−10? Report your answer in scientific notation. Your answer should have three significant figures.
Calculate the pH of a solution containing a salt AcNa derived from a strong base (NaOH) and a weak acid (AcH), like CH3COONa, KF, NaNO2 and so on. In this case two processes have to be considered: 1. Dissociation of the salt, within the assumption that the salt is a strong electrolyte: AcNa → Ac- + Na+, for instance: CH3COONa → CH3COO- + Na+ 2. the hydrolysis of the water Ac- + H2O ⇌ AcH + OH-, for example:...
1. What is the pOH of an aqueous solution of 0.171 M hydrobromic acid? pOH = 2. What is the pH of an aqueous solution of 1.77×10-2 M nitric acid? pH = 3. What is the pOH of an aqueous solution of 3.08×10-2 M potassium hydroxide? pOH = 4. What is the pH of an aqueous solution of 3.08×10-2 M potassium hydroxide? pH = 5. Calculate the pH of a 0.409 M aqueous solution of nitrous acid (HNO2, Ka =...
NH3 is a weak base (Kb = 1.8 × 10–5) and so the salt NH4Cl acts as a weak acid. What is the pH of a solution that is 0.048 M in NH4Cl at 25 °C? pH=_______?
A. Match each type of titration to its pH at the equivalence point. Weak acid, strong base Strong acid, strong base Weak base, strong acid pH less than 7 pH equal to 7 pH greater than 7 B. A 56.0 mL volume of 0.25 M HBr is titrated with 0.50 M KOH. Calculate the pH after addition of 28.0 mL of KOH. C. Consider the titration of 50.0 mL of 0.20 M NH3 (Kb=1.8 x 10^-5) with 0.20 M HNO3....