This is one question, please answer all parts! A buffer solution is 0.40 M NHs and...
38. A buffer solution is 0.40 M NH3 and 0.60 M NHACI. Kb for NH3 is 1.8 x 10-5 a) Calculate the pH for the buffer system. b) Calculate the pH of the solution after adding 0.00600 moles of NaOH to 400.0 mL of the buffer. c) Calculate the pH of the solution after adding 0.050 moles of HCl to 600.0 mL of the buffer.
I have already figured out part a. I need help with b and c. thank you. 38. A buffer solution is 0.40 M NH3 and 0.60 M NH4CI. Kb for NH3 is 1.8 x 10-5 a) Calculate the pH for the buffer system. pH = 7.08 b) Calculate the pH of the solution after adding 0.00600 moles of NaOH to 400.0 mL of the buffer. c) Calculate the pH of the solution after adding 0.050 moles of HCl to 600.0...
38. A buffer solution is 0.40 M N Kb for NH3 is 1.8 x 10 38. Abre olution is 0-40 M N11 and 0.60 NHộ an 0,60 M NHẠC. and 0.00 4) Calculate the ph for the buffer system kw Kakba PH- pka leo ENHI 1 1. XD INHA KA Ich PH 3 1.8x10-5 -5.56x10 10 P log (5,56x10") + log (0.40) H-9.15+ (-0.18) PH- 9.03 alculate the pH of the solution after adding 0.00600 moles of NaOH to 400.0...
4. Calculate the pH of a buffer solution made by adding 500 mL of 0.40 M HCl to 750 mL of 0.80 M NHs. For NH3, Kb-1.8 x 10-5. A) pH-9.95 B) pH -9.72 C)pH -9.55D) pH 9.25 E) pH-8.99
28. A 0.50 L buffer solution is 0.20 M in HF and 0.40 M in NaF. The Ka for HF is 1.5 x 10* Show all work for full credit. (a) Calculate the pH of the solution after the addition of 0.025 moles of solid KOH. (3 pts) (b) Calculate the pH of the solution after the addition of 0.050 moles of HCl. (3 pts)
1) Consider a buffer solution that is prepared by mixing 1000 mL of O.500 M NHs with 100.0 mL of0.400 MNH CL Record all answers to at least 3 sig figs and watch out for rounding errors. la) Calculate the pH of this buffer lb) Calculate the pll of this buffer after 200 mg of NaOH is added to the original buffer solution in la. Ic) Calculate the pH of this buffer after 50 mL of0.200 M HCI is added...
28. A 0.50 L buffer solution is 0.20 M in HF and 0.40 M in NaF. The Ka for HF is 1.5 x 10*. Show all work for full credit. (a) Calculate the pH of the solution after the addition of 0.025 moles of solid KOH. (3 pts) (b) Calculate the pH of the solution after the addition of 0.050 moles of HCI. (3 pts)
i need help filling out the last chart! pH of S0.0 mL acetate buffer+1.00 mL.0.6 M HC1 CH COO CH COOH H,0 before additionIO Addition -C.oxlo after addition4X IG 3 SHOW ALL WORK! Calculations for Ammonia Buffer Solution aesrah Moles of NH4CI in 250.0 mL ammonia buffer 63.49 Molarity of NH&CI in the ammonia buffer O Oa22m O. 25 coo O casomal Moles of NH in 250.0 mL ammonia buffer Molarity of NHs in ammonia buffer SHOW ALL WORK (including...
For 460.0 mL of a buffer solution that is 0.125 M in HC2H3O2 and 0.110 M in NaC2H3O2, calculate the initial pH and the final pH after adding 0.010 mol of HCl. For 460.0 mL of a buffer solution that is 0.165 M in CH3CH2NH2 and 0.155 M in CH3CH2NH3Cl, calculate the initial pHand the final pH after adding 0.010 mol of HCl.
1. Calculate the equilibrium concentrations of all species present and the pH of a solution obtained by adding 0.100 moles of solid NaOH to 1.00 L of 15.0 M NH3. Kb = 1.8 × 10–5 2. One mole of a weak acid HA was dissolved in 2.0 L of water. After the system had come to equilibrium, the concentration of HA was found to be 0.45 M. Calculate the Ka for this weak acid. 3. Calculate the pH of a...