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![sowlion As per given in the question 0 pH of solution = 3.og given - Mot] = 1 we know I pu= -loght or (4+1 = 16pH = 103.098,1](http://img.homeworklib.com/questions/fc4692a0-d555-11eb-9506-3d0d73ed4048.png?x-oss-process=image/resize,w_560)
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1) Dilute 10 ml of 1.0 M HC,H,O, with 20 ml of distilled H,O and place...
1) 1.0 M HC,H,O, pH 1 2.38 2.34 2.33 Average 2) Dilute 10 ml of 1.0...
1) 1.0 M HC,H,O, pH 1 2.38 2.34 2.33 Average 2) Dilute 10 ml of 1.0 M HC,H,O, with 20 ml of H,0 2.57 2.55 2.55 Average 3) Dilute 4.0 ml of 1.0 M HC,H,O, with 20 ml of H0 1 2 3 рна AK 2.92 2.84 2.82 Average 4) Dilute 2.0 ml of 1.0 M HC,H,O, with 20 ml of H,0 pH 1 2.96 23.05 3 2.98 Average
based on instructions please help me fill out chart Use appropriate safety precautions for working with...
based on instructions please help me fill out chart
Use appropriate safety precautions for working with concentrated acids and bases. This includes splash-proof goggles, long pants, and closed-toe shoes. No eating, drinking, or chewing at any time in the laboratory. Part I: Comparing the Behavior of the Buffer with Distilled Water 1. Obtain a pH meter or probe. Make sure beakers are clean and dry. 2. Place 25 mL of distilled, deionized water in a clean dry 100-ml beaker. 3....
Prepare dilute acid and base solutions and buffered acid and base solutions to observe how buffering...
Prepare dilute acid and base solutions and buffered acid and base solutions to observe how buffering affects the pH. Use four clean, dry 50 ml beakers. Put these pH measurments in the Data Sheet Dilute NaOH Beaker 3 1. add 25 mL distilled H2O Buffered NaOH Beaker 4 1. add 25 mL of original buffer solution Dilute HCI Buffered HCI Beaker 1 Beaker 2 1. add 25 mL distilled 1. add 25 mL of H2O original buffer solution 2. Measure...
6. b) A student mixes 8.203 g of NaC,H,O, with 100 mL of 1.0 M HC,H,O2,...
6. b) A student mixes 8.203 g of NaC,H,O, with 100 mL of 1.0 M HC,H,O2, what is the pH of the buffer? (4 pts) Wall Co, Hº 3) NaHCO₃ H2O H₂CO NOCH ka 2.22x /у- PO4-р 2.22x 100 = [071%.1 [ot] =4,7x10-S 14 Potter pOH = -log[ott 14-4.32-1 OH = 4,32 (pH=9.631 222 x 10 8 b) If you add 5.0 mL of 0.5 M NaOH solution to 20.0 ml to the buffer above, what is the pH of...
HC,H3O2(aq) + H20() 근 H,O+(aq) + C2H30,-(aq) hedissaciation of ethanoic acid, HC,H,0,(aq), is represented above. A...
HC,H3O2(aq) + H20() 근 H,O+(aq) + C2H30,-(aq) hedissaciation of ethanoic acid, HC,H,0,(aq), is represented above. A student is given the task of determining the value of K, for HC H,O(aa) using two different experimental procedures (a) The student is first asked to prepare 100.0 ml of 0.115 M HC,H,0 (aq) using a 2.000 M standard solution (1) Calculate the volume, in mL, ot 2.000 M HC HO aq) the student needs to prepare I 0.115 M HC H,O (ag) (i)...
How would we find the net ionic equation for this? For part 4, I mean. Obtain...
How would we find the net ionic equation for this?
For part 4, I mean.
Obtain about 15 ml. of 1.0 M acetic acid in a clean, dry, small plastic beaker. Measure 5.00 mL of the 1.0 M CH,COOH solution in a 10-mL graduated cylinder and transfer it to a 50-mL graduated cylinder. Add enough distilled water to have a total volume of 50.0 mL and mix it thoroughly. The result is a 0.10 M CH,COOH solution. Note and record...
Use the 100 mL graduated cylinder to measure and pour 50 mL of distilled water into Beaker 1. Use the 100 mL graduated c...
Use the 100 mL graduated cylinder to measure and pour 50 mL of distilled water into Beaker 1. Use the 100 mL graduated cylinder to measure and pour 48 mL of distilled water into Beaker 2. Use the 10 mL gradated cylinder to measure and pour 1 mL of saturated sodium bicarbonate solution into Beaker 1. Then, add 2 drops of phenol red to Beaker 1. Gently mix the solution. Use the straw to blow bubbles into Beaker 1. Start...
buffer is HC2H3O2/NaC2H3O2 difference in PH: big change when added to buffer. small change when added...
buffer is HC2H3O2/NaC2H3O2
difference in PH: big change when added to buffer. small
change when added to water. why?
why such a bug change when you add an acud or base to water
but not to butfer?
1. a) Describe the difference in observed pH changes upon adding a small amount of strong acid or base to 25.0 mL of water vs to 25.0 mL of your buffer. b) Explain why there was a difference. 6.0M HC,H,O, is corrosive. Prevent...
2. Calculate the pH of a solution prepared by diluting 0.25 mL of a 6.0 M HC red by diluting 0.25 mL of a 6.0 M HCl...
2. Calculate the pH of a solution prepared by diluting 0.25 mL of a 6.0 M HC red by diluting 0.25 mL of a 6.0 M HCl with water to a total 1.25 ml. Record this pH in Part I data sheet, Beaker #1 for Theoretical Final pH. 3. Calculate the pH of a solution prepared by dilutine 0.25 mL of a 6.0 M NaOH with water to a total volume of 20.25 mL. Record this pH in Part I...
Please help, I'm so confused!!!! This is due wednesday night!!! i'm gonna fail :(((( pH of...
Please help, I'm so confused!!!! This is due wednesday night!!!
i'm gonna fail :((((
pH of Buffer Solutions Procedure: Acetic Acid-Sodium Acetate Buffer (pKa acetic acid = 4.75) Weigh about 3.5 g of Na2C2H302 3H2O, record the exact mass, and add to a 250 ml beaker. Measure exactly 8.8 mL of 3.0 M acetic acid (use 10 mL grad cylinder) and add to the beaker containing the sodium acetate. • Measure exactly 55.6 mL of distilled water and add to...
1) 1.0 M HC,H,O, pH 1 2.38 2.34 2.33 Average 2) Dilute 10 ml of 1.0 M HC,H,O, with 20 ml of H,0 2.57 2.55 2.55 Average 3) Dilute 4.0 ml of 1.0 M HC,H,O, with 20 ml of H0 1 2 3 рна AK 2.92 2.84 2.82 Average 4) Dilute 2.0 ml of 1.0 M HC,H,O, with 20 ml of H,0 pH 1 2.96 23.05 3 2.98 Average
based on instructions please help me fill out chart
Use appropriate safety precautions for working with concentrated acids and bases. This includes splash-proof goggles, long pants, and closed-toe shoes. No eating, drinking, or chewing at any time in the laboratory. Part I: Comparing the Behavior of the Buffer with Distilled Water 1. Obtain a pH meter or probe. Make sure beakers are clean and dry. 2. Place 25 mL of distilled, deionized water in a clean dry 100-ml beaker. 3....
Prepare dilute acid and base solutions and buffered acid and base solutions to observe how buffering affects the pH. Use four clean, dry 50 ml beakers. Put these pH measurments in the Data Sheet Dilute NaOH Beaker 3 1. add 25 mL distilled H2O Buffered NaOH Beaker 4 1. add 25 mL of original buffer solution Dilute HCI Buffered HCI Beaker 1 Beaker 2 1. add 25 mL distilled 1. add 25 mL of H2O original buffer solution 2. Measure...
6. b) A student mixes 8.203 g of NaC,H,O, with 100 mL of 1.0 M HC,H,O2, what is the pH of the buffer? (4 pts) Wall Co, Hº 3) NaHCO₃ H2O H₂CO NOCH ka 2.22x /у- PO4-р 2.22x 100 = [071%.1 [ot] =4,7x10-S 14 Potter pOH = -log[ott 14-4.32-1 OH = 4,32 (pH=9.631 222 x 10 8 b) If you add 5.0 mL of 0.5 M NaOH solution to 20.0 ml to the buffer above, what is the pH of...
HC,H3O2(aq) + H20() 근 H,O+(aq) + C2H30,-(aq) hedissaciation of ethanoic acid, HC,H,0,(aq), is represented above. A student is given the task of determining the value of K, for HC H,O(aa) using two different experimental procedures (a) The student is first asked to prepare 100.0 ml of 0.115 M HC,H,0 (aq) using a 2.000 M standard solution (1) Calculate the volume, in mL, ot 2.000 M HC HO aq) the student needs to prepare I 0.115 M HC H,O (ag) (i)...
How would we find the net ionic equation for this?
For part 4, I mean.
Obtain about 15 ml. of 1.0 M acetic acid in a clean, dry, small plastic beaker. Measure 5.00 mL of the 1.0 M CH,COOH solution in a 10-mL graduated cylinder and transfer it to a 50-mL graduated cylinder. Add enough distilled water to have a total volume of 50.0 mL and mix it thoroughly. The result is a 0.10 M CH,COOH solution. Note and record...
buffer is HC2H3O2/NaC2H3O2
difference in PH: big change when added to buffer. small
change when added to water. why?
why such a bug change when you add an acud or base to water
but not to butfer?
1. a) Describe the difference in observed pH changes upon adding a small amount of strong acid or base to 25.0 mL of water vs to 25.0 mL of your buffer. b) Explain why there was a difference. 6.0M HC,H,O, is corrosive. Prevent...
2. Calculate the pH of a solution prepared by diluting 0.25 mL of a 6.0 M HC red by diluting 0.25 mL of a 6.0 M HCl with water to a total 1.25 ml. Record this pH in Part I data sheet, Beaker #1 for Theoretical Final pH. 3. Calculate the pH of a solution prepared by dilutine 0.25 mL of a 6.0 M NaOH with water to a total volume of 20.25 mL. Record this pH in Part I...
Please help, I'm so confused!!!! This is due wednesday night!!!
i'm gonna fail :((((
pH of Buffer Solutions Procedure: Acetic Acid-Sodium Acetate Buffer (pKa acetic acid = 4.75) Weigh about 3.5 g of Na2C2H302 3H2O, record the exact mass, and add to a 250 ml beaker. Measure exactly 8.8 mL of 3.0 M acetic acid (use 10 mL grad cylinder) and add to the beaker containing the sodium acetate. • Measure exactly 55.6 mL of distilled water and add to...
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