3. Determine the pH for the two following solutions. Show all calculations in order to receive...
3. Determine the pH for a 0.25 M NaOH(aq) solution. Show all calculations in order to receive full credit
1. Calculate the pH of the following solutions. Show all of your work. a. 0.0050 M nitric acid, HNO3 b. 0.50 M hydrocyanic acid, HCN Ka = 4.0 x 10-10 2. A student was given the following problem: Calculate the pH of a 0.50 Mama bromide (NHaBr) solution if the Kb of NH3 is 1.8 x 10. The student provided the fo work. Identify the error(s) and calculate the correct pH. NH; (aq) + H20 (1) = NH3 (aq) +...
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+],...
number 6 and 7 please? For the following problems, you must show your work to receive ANY credit. You must show the appropriate balanced chemical equation to receive ANY credit for the following calculations. 6. Calculate the pH of a 0.255 M aqueous solution of formic acid (HCO,H). K = 18 x 10-5 M. (8 pts) M. 7. Calculate the pH of a 0.275 M aqueous solution of dimethylamine ((CH3)2NH). Kb = 54 x 10 (8 pts)
7. (5 pts) Determine the pOH of a 0.227 M solution of the WB pyridine, CsHsN; K (CsH5N) = 1.7x10. a) 9.41 (Situation #3) b) 4.59 c) 9.39 d) 3.86 e) 4.71 8. (4 pts) Determine the Kcfor the conjugate acid CH NH3'; K, for the WB CH3NH2 = 4.4x104. a) 3.1x10-10 b) 6.8x10-11 c) 5.6x10-10 d) 2.3x103 e) 2.3x10-11 9. (5 pts) Determine the pH of a mixed solution where (HCIO2). = 0.15 M with K. - 1.1x102 and...
Sort the following 0.1 M solutions in order of increasing pH ? ? NaCl ? NH4Cl ? NaNO2 ? NaCN Ka(HCN) = 6.2 x 10-10 ? Ka(HNO2) = 7.2 x 10-4 ? Kb(NH3) = 1.8 x 10-5
Name General Chemistry II (1032) Fall 2019 (You must show ALL work to receive FULL or PARTIAL credit) 10 point bonus problem What is the pH of a 0.200 M CH,CICOOH(aq) K, = 1.4 10-3
Arrange the following 0.1 M solutions in order of increasing pH and state why you placed each solution in that position: NaCH3COO, HCl, HCN, NaOH, NH3, NaCN, KNO3, H2SO4, NH4Cl, H2SO3, NaHCO3, Na3PO4 and CH3COOH. please list each solution in order and next to it be specific next to each in terms of why each solution was placed in its respective position - please include ka and kb values in your explanation while ranking the solutions and add in any...
Find the pH of the following solutions in equilibrium with 10-4 atm ammonia. Show all calculations. Assume an open system. a. distilled water b. 10-2 M NH4Cl please apply Henry's Law
Instructions: Complete all the problems in this assignment Show all your work and submit a PDF with your answers through Husky CT for your lab section. Please e-mail me if you have an issues with the submission. Activity #1 Calculate the pH for the following acidic solutions 1. Calculate the pH and pOH for the following solutions: a. 0.200 M HNO3 b. 0.200 M H2SO4 2. Calculate the equilibrium concentration for [H], [A-], and [HA], the pH and pOH for...