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NH, is a weak base (Kb = 1.8 x 10-M), so the salt NH, Cl acts as a weak acid. What is the pH of a solution that is 0.033 M in NH CI? pH = pH = {
Calculate the pH of a 0.15M ammonia solution. The Kb for ammonia is 1.8 x 10^-5. Be sure to write the weak base equilibrium reaction and identify the base, acid, conjugate acid and conjugate base.
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.
3) Kb for NH3 1.8 x 10-5 a) Calculate the pH of a buffer solution that is 0.100 M NH3 and 0.120 M NHANO3. b) What is the pH after 60.0 mL of 0.010 M HCl is added to 90.0 mL of the buffer solution in 2(a). Assume the change in volume is additive. c) What is the pH after 60.0 mL of 0.010 M Ca(OH)2 is added to 90.0 mL of the buffer solution in 2(a). Assume the change...
The pH of a 0.053 M weak monoprotic acid is 3.05. Calculate the K, of the acid. K= 10 Enter your answer in scientific notation. The base ionization constant of ammonia is 1.8 x 10 . In a 0.070 M NH3 solution, what percentage of the NH3 is present as NH *?
Calculate the pH of a 0.20 M solution of the weak base pyridine. (C5H5N; Kb = 1.7 x 10-9). What is the pH of a 0.20 M solution of NH4Cl? [Kb(NH3) = 1.8 ´ 10–5]
A solution of 0.025 M NH OH (K a) Calculate Kb 1.11 x 10) (20 p!) b) Calculate the (OH), INHOH) and (NH,OH'). c) Calculate the pH and pOH of the solution. d) What is the pH of the solution if the solution was mixed with 0.78 M NH,OH"?
NH, is a weak base (Ks = 1.8 x 10-M), so the salt NH Cl acts as a weak acid. What is the pH of a solution that is 0.00M in NH CI? pH
Kw 1.0 x 1014 Ks 6.6 X 10 for HF Kb 1.8 X 10 for NH 1. Calculate the [H'], [OHl, pH and pOH for 0.025 M HCl 2. Calculate the pH of 4.0 M hydrofluoric acid, HF. (over)
4. Calculate [H30*], [OH-], pH and pOH of a 0.5 M CH3COOH solution, K. = 1.8 x 10-5. 5. Write the acid ionization equations in water of the weak acid H PO4, and the expressions of K.