Question

Laboratory Experiments 177 Perform an additional titration as in Part I, except use 3 drops of methy! red indicator instead of the phenolphthalein indicator. Record your data in Table 3 PART 2 PROCEDURE 2. Perform an additional titration as in Part 1, except use 3 drops of the phenolphthalein indicator. veto-…sc Record your data in Table 3. orontimol yellow TABLE3 Titration Data for Different Indicators, Part 2 Phenolphthalein indicator (already done: Methyl Red Bromthymol use trial 3 from Table indieator Blue indieator volume readling 48.5mL Final NaOH L5o Initial NaOH volume reading Volume of TABLE 4 Titration Calculations for Different Indicators, Part 2 Methyl Bromthymol PhenolphthaleinM (trial 3 in Table Red Blue - Moles of NaOH used Moles of HCl in the Erl Molarity of the .OD2y originai ion Show calculations for the methyl red indicator and bromthymol blue indicator trials on the following page.
I just need help with the calculations for table 4!
0 0
Add a comment Improve this question Transcribed image text
Answer #1

Sm mene psten icetor chra 24 neng Qu uoo ·07チ 24:74 a 002 여7 Red LODS

Add a comment
Know the answer?
Add Answer to:
I just need help with the calculations for table 4! Laboratory Experiments 177 Perform an additional...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Referring to figure 10.4 choose an appropriate indicator for each titration. Justify your answer The last...

    Referring to figure 10.4 choose an appropriate indicator for each titration. Justify your answer The last page shows data from titration whether phenolphthalein is a good 7 Referring to Figure 10.4, choose an appropr to Figure 10.4, choose an appropriate indicator for each titration. Justify your answer. 0.1UM Acidic indicator pH range Basic Thymol Blue 11 12 13 12-28 and 8.0-92 14 Methyl Orange Bromophenol Blue 10-4. Congo Red 30-50 Bromocresol Green 3.8-5.4 Methyl Red 44-62 Bromothymol Blue 6.0-7.6 Phenol...

  • Please show all work as need and circle the correct answer. Thanks 6. Maleic acid is...

    Please show all work as need and circle the correct answer. Thanks 6. Maleic acid is a diprotic organic acid with the structure shown below. A titration curve was generated when 75.0 mL of a 0.0125 M maleic acid solution was titrated with NaOH. HOOC COOH PH maleic acid o 80 20 40 60 Volume of NaOH (mL) A. (6 pts) What was the approximate concentration of the NaOH solution? B. (3 pts) What is the approximate pka of maleic...

  • Identify an unknown solution (1, 2, 3 and 4) and fill the vacancies in the table...

    Identify an unknown solution (1, 2, 3 and 4) and fill the vacancies in the table Procedure The unknown solutions are : HCl, NaOH,   Acetic acid, Na2CO3 Test each solution with litmus paper. Record the results in the data table below. Take little of each solution in a test tube and add 5 drops of silver nitrate to each solution. Record the results in the data table. Take little of each solution in a test tube and add two drops...

  • please help, thanks! FQUL 465g Ac t all time the pH of San section Pre-Laboratory Assignment...

    please help, thanks! FQUL 465g Ac t all time the pH of San section Pre-Laboratory Assignment Although you will use only small amounts of the olutions in this experiment, you must be aware of some of the hazards of these solutions. Brilly com- ment on the hazards of an aqueous solution of: 3 Astur | (1) NH A student performed an experiment similar to the one that you will perform but used different solutions The student's data are presented in...

  • EXP #9:Pre-Lab answer question 3, attached below is page two to reference! Instructor Name: Student Name:...

    EXP #9:Pre-Lab answer question 3, attached below is page two to reference! Instructor Name: Student Name: 3. An unknown solution gives the following sequential results for color when indicators are added (shown below). Using the corresponding color ranges from the table on page 2, estimate the approximate pH range of this unknown solution. Explain. Bluish purple Bromphenol blue: Yellow Methyl Red: Blue Bromothymol Blue: Colorless Phenolpthalein: For a titration, pure indicators are used because the goal is to use an...

  • Identify an unknown solution (1, 2, 3 and 4) and fill the vacancies in the table...

    Identify an unknown solution (1, 2, 3 and 4) and fill the vacancies in the table Procedure The unknown solutions are : HCI, NaOH, Acetic acid, Na2CO3 1- Test each solution with litmus paper. Record the results in the data table below. 2- Take little of each solution in a test tube and add 5 drops of silver nitrate to each solution. Record the results in the data table. 3- Take little of each solution in a test tube and...

  • Name Section/CRN EXPERIMENT 9 POTENTIOMETRIC DETERMINATION OF AN EQUILIBRIUM CONSTANT PRE-LABORATORY QUESTIONS The following preparatory questions...

    Name Section/CRN EXPERIMENT 9 POTENTIOMETRIC DETERMINATION OF AN EQUILIBRIUM CONSTANT PRE-LABORATORY QUESTIONS The following preparatory questions should be answered before coming to lab. They are intended to introduce you to several jdeas that are important to aspects of the experiment. You must turn in your work to your instructor before you will be allowed to begin the experiment. Potassium acid phthalate, KHP (KHC4H&O4), is a primary standard reagent used to determine exactly the concentration of a solution of base, such...

  • Chap 10.1 Data Analysis and Calculations Need help calculating the rate of titrant 10.1 Chemical Equilibrium...

    Chap 10.1 Data Analysis and Calculations Need help calculating the rate of titrant 10.1 Chemical Equilibrium Titration 1 HCI + NaOH Sample 0.10 M HCL Titrant: 0.10 Nach 1. Determine the drop rate a.) Volume of 20 drops: 1.5 mL b.) Time interval for 20 drops: 15.03 seconds c.) Calculate rate of titration d.) pH when phenolphthalein color change: 6.8 Titration 2 Sample 0.10 MHC2H302 Titrant: 0.10 M NaOH 5. Determine the drop rate a.) Volume of 20 drops: 1.6...

  • can you help with the balance equation and also the calculations at the bottom of the...

    can you help with the balance equation and also the calculations at the bottom of the sheet thank you Experiment 17 Acid Base Reactions and Titration Report Sheet Name Section Number Provide the balanced equation for standardizing NaOH below. Table L. Standardization of NaOH Trial Trial 2 Trial 3 Initial mass of flask (g) 85.85 92.9285.80 Mass of flask with KHP (g) Initial buret reading of NaOH (mL) 11.87 19.21 4.21 Initial-buret-reading of NaOH (mL) Final buret reading of NaOH...

  • i need help with questions for part b only please ZULU Acid-Base Titration (worksheet to be...

    i need help with questions for part b only please ZULU Acid-Base Titration (worksheet to be completed in pairs - dee via e-mail Thursday, April 2, 11:59 pm) Concentration of NaOH: 0.0993 mol/L Part A: The following data was obtained when a 20.00 mL sample of acetic acid was titrated with 0.0993 mol/L sodium hydroxide (NaOH). The indicator changed color when 18.90 mL of NAOH was added (highlighted below). pH pH Volume of Base (mL) 1.00 2.00 Volume of Base...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT