Homework Answers
For second part volume and concentration of Acetic acid is not provided.
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need help with number 9 please
9. Using the experimental data for pH and the...
I need help with number 14, 15 , and 16 please! I also provided information in order to solve the problem, but I dont k...
I need help with number 14, 15 , and 16 please! I also
provided information in order to solve the problem, but I dont know
how to do that. thank you!
We were unable to transcribe this imageJ. Uly the experimental data for pH and the concentration of the solutions, calculate the k WORK.) Solution Value of K, or kb 0.1 ZnCl2 Ko= 9.0x10-17 0.1 KAI(SO4)2 Kb = 1.44x10-20 0.1 NH4Cl Ka = 3.80 x 10-9 0.1 NaC H302 Ko=...
EXPT 5 HYDROLYSIS OF SALTS Use Ph to calulate H+ and OH- SOLUTION Measured pH Calculated...
EXPT 5 HYDROLYSIS OF SALTS Use Ph to calulate H+ and OH- SOLUTION Measured pH Calculated [H+] Calculated [OH-] H2O(boiled) 7 0.1M NaCl 7 0.1M Na2CO3 13 0.1M NaC2H3O2 8.8 0.1M NH4Cl 4.6 0.1M Al(NO3)3 4 0.1M ZnCl2 5 0.1M KAl(SO4)2 4
This pH is close to the pH of the original buffer solution (7.52). Procedure Preview vations =neutral Salt (ka=kb)...
This pH is close to the pH of the original buffer solution (7.52). Procedure Preview vations =neutral Salt (ka=kb) 16 - 10.2] 1715 = Calculated K, for 0.1 MNH.CI, based on measured pH and Equation log CH 30+) chokw/kbpH of NH4Cl-5.61pit= - log [H3O+ sob 0 1 | ºf T4 M4 | 4 | 5 CNHH C 130+ | | 701 / 60H- Kh= (NH3] HP) - 10-5.6' x 10-5.6/0.13.1-.270.1 I. Observing pH Changes in Water and Butte ng pH...
Fill in the blanks and please show all work for Calculated Ka or Kb column and...
Fill in the blanks and please show all work for Calculated Ka
or Kb column and explain how to find which ion is hydrolyzed
?
Part 1: pH of Solutions of Salts: In this part you will measure the pH values for 0.1 M solutions of the following solutes. Sodium bicarbonate o M Copper(II) sulfate oOM Iron(III) nitrate 010M Sodium acetate O-10M Ammonium chloride O Ib M Sodium fluoride o10 M Methylammonium chloride o.o M For each solution, place the...
How would i find the Kb using my data? Bromo- PH thymol Methyl Methyl orange Phenolphtha...
How would i find the Kb using my data?
Bromo- PH thymol Methyl Methyl orange Phenolphtha PH elizano Phenol- phtha- lein aliz Phenol red Solution ellow R red blue HIM Он \м HO (unboiled) O - - 4.0 6.0 yell yell 1x 10-4 1810 1x10-10 1810-8 H2O (boiled) NaCl red yell yell yell red yell yell yell blue yell yell yell yell, red yell - yell yell vell yell yell 1x10-6 1x10 -8 NaC₂H₂O₂ NHACI pink - 3x10-10 ne Jell...
need help with 7 and 8. also did I do number nine right? • Write the...
need help with 7 and 8. also did I do number nine right?
• Write the ionization cautions for the dissociation of the diprotic acid, H,C,04. called oxalic acid. The following dissociation consta owing dissociation constants were located on a scrap piece of paper near the bottle of oxalic acid in the chemical room: 6.40 X 10 and 5.91 X 102. Assign cach equation you have written one of these values and explain your reasoning. H₂C₂O4 8. Given the K,...
61.8% Tools F 8. Sign 0.1 molar NH4Cl solution 20. Identify the acid and base which...
61.8% Tools F 8. Sign 0.1 molar NH4Cl solution 20. Identify the acid and base which reacted to form NH CI Identify each as strong or weak. Acid: Strength: Base: Strength 21. Calculate the theoretical pH of the solution. Show your work. If appropriate, write out the hydrolysis reaction equation. 22. Calculate the theoretical Kh value. 23. Measure the pH of the aqueous solution and determine the expenmental K. Show your work. pH of solution Experimental K. 24. How does...
multi photo exp # on last photo Acid-Base Properties of Salt Solutions Worksheet 1. What is...
multi photo exp # on last photo
Acid-Base Properties of Salt Solutions Worksheet 1. What is a salt? How is it formed? 2. What is pK, and what does it represent? How does this value correspond to the strength of an acid? 3. What is pK, and what does it represent? How does this value correspond to the strength of a base? 4. How is pH affected by the concentration of a solution? 5. What does Kw represent? How is...
i need help with finding the ph of an aq solution. im confused 9,10,12,13,14, &15. on...
i need help with finding the ph of an aq solution. im confused
9,10,12,13,14, &15. on 10 I caluclated 14 and 12 the closest
answer i got was 2.67, but i was exact. If its not a big
inconvience can you show me how? thank you
9. Calculate the pH of a 0.65 M NH3 solution if Kb for NH3 is 1.8x10-5. a) 2.47. b) 4.93. c) 11.53. d) 12.68. 10. The pH of a 0.2 M aqueous solution of...
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...
I need help with number 14, 15 , and 16 please! I also
provided information in order to solve the problem, but I dont know
how to do that. thank you!
We were unable to transcribe this imageJ. Uly the experimental data for pH and the concentration of the solutions, calculate the k WORK.) Solution Value of K, or kb 0.1 ZnCl2 Ko= 9.0x10-17 0.1 KAI(SO4)2 Kb = 1.44x10-20 0.1 NH4Cl Ka = 3.80 x 10-9 0.1 NaC H302 Ko=...
This pH is close to the pH of the original buffer solution (7.52). Procedure Preview vations =neutral Salt (ka=kb) 16 - 10.2] 1715 = Calculated K, for 0.1 MNH.CI, based on measured pH and Equation log CH 30+) chokw/kbpH of NH4Cl-5.61pit= - log [H3O+ sob 0 1 | ºf T4 M4 | 4 | 5 CNHH C 130+ | | 701 / 60H- Kh= (NH3] HP) - 10-5.6' x 10-5.6/0.13.1-.270.1 I. Observing pH Changes in Water and Butte ng pH...
Fill in the blanks and please show all work for Calculated Ka
or Kb column and explain how to find which ion is hydrolyzed
?
Part 1: pH of Solutions of Salts: In this part you will measure the pH values for 0.1 M solutions of the following solutes. Sodium bicarbonate o M Copper(II) sulfate oOM Iron(III) nitrate 010M Sodium acetate O-10M Ammonium chloride O Ib M Sodium fluoride o10 M Methylammonium chloride o.o M For each solution, place the...
How would i find the Kb using my data?
Bromo- PH thymol Methyl Methyl orange Phenolphtha PH elizano Phenol- phtha- lein aliz Phenol red Solution ellow R red blue HIM Он \м HO (unboiled) O - - 4.0 6.0 yell yell 1x 10-4 1810 1x10-10 1810-8 H2O (boiled) NaCl red yell yell yell red yell yell yell blue yell yell yell yell, red yell - yell yell vell yell yell 1x10-6 1x10 -8 NaC₂H₂O₂ NHACI pink - 3x10-10 ne Jell...
need help with 7 and 8. also did I do number nine right?
• Write the ionization cautions for the dissociation of the diprotic acid, H,C,04. called oxalic acid. The following dissociation consta owing dissociation constants were located on a scrap piece of paper near the bottle of oxalic acid in the chemical room: 6.40 X 10 and 5.91 X 102. Assign cach equation you have written one of these values and explain your reasoning. H₂C₂O4 8. Given the K,...
61.8% Tools F 8. Sign 0.1 molar NH4Cl solution 20. Identify the acid and base which reacted to form NH CI Identify each as strong or weak. Acid: Strength: Base: Strength 21. Calculate the theoretical pH of the solution. Show your work. If appropriate, write out the hydrolysis reaction equation. 22. Calculate the theoretical Kh value. 23. Measure the pH of the aqueous solution and determine the expenmental K. Show your work. pH of solution Experimental K. 24. How does...
multi photo exp # on last photo
Acid-Base Properties of Salt Solutions Worksheet 1. What is a salt? How is it formed? 2. What is pK, and what does it represent? How does this value correspond to the strength of an acid? 3. What is pK, and what does it represent? How does this value correspond to the strength of a base? 4. How is pH affected by the concentration of a solution? 5. What does Kw represent? How is...
i need help with finding the ph of an aq solution. im confused
9,10,12,13,14, &15. on 10 I caluclated 14 and 12 the closest
answer i got was 2.67, but i was exact. If its not a big
inconvience can you show me how? thank you
9. Calculate the pH of a 0.65 M NH3 solution if Kb for NH3 is 1.8x10-5. a) 2.47. b) 4.93. c) 11.53. d) 12.68. 10. The pH of a 0.2 M aqueous solution 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...
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