What is the pOH of a solution of 0.125 M CH3NH2 and 0.130M CH3NH3CI
CH3NH2 +H20 > CH3NH3Cl +OH
Kb = 4.4 *10^-4
What is the pOH of a solution of 0.125 M CH3NH2 and 0.130M CH3NH3CI CH3NH2 +H20...
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
Calculate the pOH of 390 mL of a 0.3 M aqueous solution of methylammonium chloride (CH3NH3Cl) at 25 °C given that the Kb of methylamine (CH3NH2) is 4.4×10-4. 8.42 3.35 3.56 2.13 8.04
Determine the pH of a 0.10 M CH3NH3Cl solution. (Kb (CH3NH2) = 4.4 x 10-4) 2.18 11.82 5.82 8.17 3.36
Question 7 of 9 How many moles of CH3NH3Cl need to be added to 200.0 mL of a 0.500 M solution of CH3NH2 (Kb for CH3NH2 is 4.4 * 10-4) to make a buffer with a pH of 11.60? mol C +/- 0 x 100
What is the pH of a 0.200 M CH3NH2 solution? (Kb for CH3NH2 = 4.4 x 10-4) 2.03 11.97 9.33 8.79
Activity #2 Calculate the pH of the following basic solutions. 1. Calculate the pH and pOH of a 0.200 M Ca(OH)2 2. Calculate the equilibrium concentrations for [OH-], [HB+), and [B], the pH and pOH for a 0.200 M pyridine solution. (CsH5N) Kb = 1.4 X 10-9 3. Calculate the equilibrium concentrations for [OH-], [HB], and [B], the pH and pOH for a 0.200 M methylamine. (CH3NH2) Kb = 4.4 X 10-4 4. Calculate the equilibrium concentrations for [OH-], [HB+],...
What is the pH of a solution of 0.400 M CH3NH2 containing 0.180 M CH3NH31? (Kb of CH3NH2 is 4.4 x 10-4)
Consider a buffer solution which consists of methyl amine (CH3NH2) and methyl ammonium chloride (CH3NH3Cl). At what pH is this buffer solution most effective? (Kb = 4.4⋅10−4 for methyl amine)
Calculate the pH of a buffer solution that is 1.25 M CH3NH2 and 1.00 M CH3NH3Cl. Kb = 8.85 x 10-4 and what would happen after 35.0 mL of 0.45 M HNO3 is added to 250.0 mL of the buffer solution, what would the pH of the solution be after the HNO3(aq) is added?
a.Determine the pH of a 0.20 M CH3NH3Cl solution. (Kb (CH3NH2) = 4.4 x 10-4) b. Determine what products are expected to be produced (a) at the cathode and (b) at the anode as a result of electrolysis of an aqueous solution of MgI2 with inert electrodes. The standard electrode potentials are: O2(g) + 4 H+(aq) + 4 e-→ 2 H2O(l) E° = +1.23 V I2(s) + 2 e- → 2 I-(aq) E° = +0.54 V 2 H2O(l) + 2 e-...