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 |
|||
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0.00375 M |
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1.0 x10-6 M |
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6.65 x 10-3 M |
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2.68 |
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4.25 x 10-4 M |
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|
1.14 |
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12.00 |
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3.38 |
|||
|
0.0000015 M |
|||
|
10.23 |
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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
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 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...
7.(6 pts) Calculate the pH, [OH], and pOHl of a 0.0035 M HCl aqueous solution: 8. (6 pts) What are the [Hs0'1, (OH], and poH in a solution with a pH of 3.82? 9. (6 pts) What are the [H:0'], [OH], and pH in a solution with a pOH of 11.75? pH = pOH= , [OH'] = POH ' [OH'] = 10. (6 pts) Calculate the [H30, [OH1, and pH a 0.040 M Ba(OH)2 solution. [OH-11- pH=
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...
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 =
6. Consider titration of 20.0 ml of 0.100 M NH, with 0.200 M HCl solution. Calculate the pH after the addition of the following volumes of HCl solution. The Koof NH, = 1.8 x 10 (4 pts each, 12 pts total) 100M NH3 00 L=.08 a. 0.00 ml NH3 + H20 OH- + NH4 ka 10m 5.56 x 10 10 1.8x10-S 100M TX +X X X 100M X=[oH ] = 1.34 X 10 - 3M pOH = -10 g (1.34...
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