8. Using a calculator, calculate the following parameters and fill-in the spaces provided (8 pts)
[H+] |
[OH-] |
pH |
pOH |
2.5 x 10-4 M |
|||
0.00375 M |
|||
1.0 x10-6 M |
|||
6.65 x 10-3 M |
|||
2.68 |
|||
4.25 x 10-4 M |
|||
1.14 |
|||
12.00 |
|||
3.38 |
|||
0.0000015 M |
|||
10.23 |
|||
1.0 x 10-1 M |
|||
5.55 x 10-5 M |
8. Using a calculator, calculate the following parameters and fill-in the spaces provided (8 pts) [H+]...
please help solve both parts, thank you!! 7. Using a calculator, calculate the following parameters and fill-in the spaces provided (6 pts) [H+ pH pOH [OH-| 2.5 x 104M 0.0035 M 6.15 x 10M 2.75 4.2 x 104M 0.0000016 M 102 b) The weak acid, HA, is 0.25% ionized in a 0.35 M solution. ) What is the equilibrium constant (K) for the dissociation of this acid? ii) Calculate the pH of this solution. (5 pts
fill in the chart below: 8. Fill in the chart below: | [OH-] T pH [H0] 7.37 x 10-5 M POH 4.61 x 10-3M 10.742 5.291
Fill in the missing information in the following table. [H+] [OH-] PH POH Solution a 9.63 4.37 Acidic, Basic or Neutral? Basic M pH pOH (H+ OH-1 M 4.2 x 10-6 M Acidic, Basic or Neutral? - Solution b pH POH [OH-] H+] 0.023 M Acidic, Basic or Neutral? - Solutionc M pH POH H+1 [OH-] Acidic, Basic or Neutral? - Solution d 1.27 M _ M Submit Answer Try Another Version 3 item attempts remaining
Calculate either [H, 0+1 or [OH-] for each of the solutions. Solution A: [OH-] = 1.61 x 10-7M Solution A: [H,0+1 = M Solution B: M Solution B: [OH-] = [H, 0+1 = 9.15 x 10-'M M Solution C: [H,0*] = 5.55 x 10 “M Solution C: [OH-] = Which of these solutions are basic at 25 °C? A: [OH-] = 1.61 x 10-7M B: [H, 0+1 = 9.15 x 10-'M C: [H,0*1 = 5.55 x 10-4 M The due...
D. Question 2 8 pts 2. Fill in the following table with the missing information: [H3O+] [OH') PH Classification - acid or base 5.3 x 104 M. 8.4 x 10-2M 9.5 2.5 x 10-5M 3.4 Upload Choose a File
Calculate the pH and pOH of each of the following solutions. Part A [H3O+]= 1.5×10−8 M Express your answer to two decimal places. Enter your answers numerically separated by a comma. pH, pOH = Part B [H3O+]= 1.0×10−7 M Express your answer to two decimal places. Enter your answers numerically separated by a comma. pH, pOH = Part C [H3O+]= 2.5×10−6 M Express your answer to two decimal places. Enter your answers numerically separated by a comma. pH, pOH =
Calculate and fill in the following information and indicate whether the solution is acidic, 4 basic, or neutral. (2 pts. each) You must show work in order to receive full credit. acidic, basic, or neutral [H3o] OH] pH POH 1.98 x 10 a) b) 8.30 (You must show work in order to receive full credit for mathematical problems.) (8 pts.) 5. Lactic acid (HCaHs03, K 1.38 x 10"), which occurs in sour milk and foods such as sauerkraut, is a...
Fill in the blanks of the following table. You do not have to show your work. When entering H+ or HO- concentrations use the format #.##x10^n (Round to 2 decimal points). Do NOT report as (e.g. 1.0x10^-3.27). Acid, Base or Neutral pH [H+] (M) #.##x10^n [OH-] (M) #.##x10^n Acid 5.62 x 10-4 Neutral 1.00x10-7 Base 1.61 x 10-4
15) Calculate the OH- ion concentration of a solution with a pH of 3.75. (a) 1.78 x 10^-10 M (b) 2.17 x 10^-8 M (c) 2.75 x 10^-5 M (d) 5.62 x 10^-11 M 16) Calculate the H3O+ ion concentration of a solution with a pOH of 13.3. (a) 0.08 M (b) 0.20 M (c) 0.29 M (d) 0.35 M 17) Calculate the Kb of Hypochlorous acid, Ka= 3.5 x10^-8. (a) 1.3 x 10^-4 (b) 2.9 x 10^-7 (c) 3.1...
Determine the pH for the following acids and bases: a) 1.0 x10-8 M HCl b) 5.0x 10-3 M HNO3 c) 1.5 x 10-5 M NaOH d) 3.0 x 10-12 M OH