An aqueous solution of methylamine (CH3NH2) has a pH of 10.73. How many grams of methylamine...
43. An aqueous solution of methylamine (CH3NH2) has a pH of 10.65. How many grams of methylamine are there in 100.0 mL of the solution? Calculate the pH and percent ionization of a 0.990 M HNO2 solution. pH = %
An aqueous solution contains 0.347 M methylamine (CH3NH2). How many mL of 0.212 M hydrobromic acid would have to be added to 125 mL of this solution in order to prepare a buffer with a pH of 10.400. ml
An aqueous solution contains 0.380 M methylamine (CH3NH2). How many mL of 0.211 M hydrochloric acid would have to be added to 250 mL of this solution in order to prepare a buffer with a pH of 10.800. mL -------------
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
(17.2b.3) A 8.57×10-2-M aqueous solution of CH3NH2 (methylamine) has a pH of 11.8. Calculate the pH of a buffer solution that is 8.57×10-2 M in CH3NH2 and 0.156 M in CH3NH3+.
please explain your answer 3. An aqueous solution of 0.204 M methylamine, CH3NH2, is hydrochloric acid, HCL. The base ionization constant for methylamine is 4.4 x 10-1. What is the pH of the mixture when 12.50 ml of the methylamine solution has been delivered by the buret? added by buret to 25.00 mL of 0.102 M 50 grade paints] SHOW YOUR WORK AND/OR REASONING
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)...
What is the pH of 50 mL of a 1.0 mol/L methylamine (CH3NH2) solution after the addition of 50 mL of a 0.5 mol/L solution of HCl? 5. What is the pH of 50 mL of a 1.0 mol/L methylamine (CH3NH2) solution after the addition of 50 mL of a 0.5 mol/L solution of HCI?
The Kb value for methylamine is 4.2x10^-4. What is the pH of an aqueous solution for which the label reads 0.042M CH3NH2?
Calculate the PH and concentrations of CH3NH2 and CH3NH3+ in a 0.0445M Methylamine (CH3NH2) Calculate the pH and concentrations of CH3NH2 and CH3NH3 in a 0.0445 M methylamine (CH3NH2) solution. The Kb of CH3NH2-4.47 x10 Number pH11.520 Number CH,NH0.0409 Number CH, NH, |-| | 0.00446