What is the Kb for methylamine, CH3NH2, if a solution prepared by dissolved 0.82 mol of...
Calculate the pH of a 1.40 M CH3NH3Cl solution. Kb for methylamine, CH3NH2, is 4.4 × 10-4. Calculate the pH of a 1.40 M CH3NH3Cl solution. Kb for methylamine, CH3NH2, is 4.4 × 10-4. 1.61 8.75 5.25 12.39
The Kb of methylamine (CH3NH2) is 4.4x10^-4. What is the Ka of methylamine, and what is the pOH and pH of a 0.100M solution of methylamine in water?
Determine the pH of a 0.35 M aqueous solution of CH3NH2 (methylamine). The Kb of methylamine is 4.4 × 10−4. can you please show your work and explain the steps on how you get 12.09 as the answer
A) Calculate the pH of a 0.0116 M aqueous solution of methylamine (CH3NH2, Kb = 4.2×10-4) and the equilibrium concentrations of the weak base and its conjugate acid. pH = ? [CH3NH2]equilibrium = ? M [CH3NH3+ ]equilibrium = ? M B)Calculate the pH of a 0.0115 M aqueous solution of nitrous acid (HNO2, Ka= 4.6×10-4) and the equilibrium concentrations of the weak acid and its conjugate base. pH = ? [HNO2]equilibrium = ? M [NO2- ]equilibrium = ? M C)...
Calculate the pH of a solution consisting of 0.225 M solution of CH3NH2 (methylamine) and 0.200 M CH3NH2 tor (methylammonium chloride). Report answer to 2 decimal places. Kb CH3NH2) - 44 x 10-4 CH3NH2 (aq) + H200 + CH3NH3 (2) + OH(aq) Assuming equal initial concentrations of the given species, which of the following is the weakest acid in aqueous solution? O. HB Ky = 2.0 x 10-6 OB.HD K = 6.0 x 10-2 ОС: НЕ Kg = 4.0 x...
Calculate the pH of a solution prepared by mixing equal volumes of 0.18M methylamine (CH3NH2, Kb = 3.7
Calculate the pH of a solution prepared by mixing equal volumes of 0.20 M methylamine (CH3NH2 Kb 3.7x 10-4) and 0.60 M CH3NH3Cl.
Methylamine, CH3NH2, has a Kb = 4.40 x 10-4. What is the pH of a 0.250 M solution of methylamine?
What is the pH of a 0.650 M solution of methylamine (CH3NH2)? Kb=4.4x10-4
10) The pH of a solution prepared by dissolving 0.550 mol of solid methylamine hydrochloride (CH3NH3Cl) in 1.00 L of 1.35 M methylamine (CH3NH2) is Kb for methylamine is 4.40 x 10-4. (Assume the final volume is 1.00 L.) The A) 11.03 B) 2.97 C) 3.75 D) 10.64 E) 10.25 11) A 25.0 mL sample of 0.723 M HCIO4 is titrated with a 0.27 M KOH solution. The H30+ concentration after the addition of 80.0 ml of KOH is M....