An unknown solution is tested with the three indicators in the data tableThe results were: yellow with methyl orarfge, blue with bromothymol blueand pink in phenolphthalein. What best describes the solution?Table of Indicator Colors and pHColor inAcldIndicatorTransitionColorColor InBaseyellowMethyl orange red-orangeyelloworangepH:3.2-4.4greenpH 6.0-7.7pinkpH 8.2-10.0BromothymolbluebluePhenolphthalel coloriessred-purpleO AcidicOBasicNeutralOa Salt

The indicators are the acid-base indicators that are used to show the pH changes in the solution via…

An unknown solution is tested with the three indicators in the data table The results were: yellow with methyl orarfge, blue with bromothymol blu- and pink in phenolphthalein. What best describes the solution? Table of Indicator Colors and pH Transition Color orange Indicator Color in Acid Methyl orange red-oran Color In Base yellow

An unknown solution is tested with the three indicators in the data table The results were: yellow with methyl orarfge, blue with bromothymol blu- and pink in phenolphthalein. What best describes the solution? Table of Indicator Colors and pH Transition Color orange Indicator Color in Acid Methyl orange red-oran Color In Base yellow

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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help please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working
The anthocyanin in hydrangeas can be isolated and used as an environmentally friendly pH indicator for titrations. At the end of a titration reaction of a strong acid with a strong base, you have a neutral solution. Which of the following lab experiments would work to test your color prediction above? ( can select more than one answer) Include anthrocyanins in a titration, as they will always change between pink and blue at the equivalence point. Titrating isolated anthrocyanins with base. Adding isolated anthrocyanins to neutral water and checking the pH. Include known concentrations of isolated anthrocyanins in a strong acid/strong base titration.
Give correct answer..give answer all sub parts if you not then don't give answer
Example: - How many grams ammonium chloride and how many millilitres 3.0M sodium hydroxide should be added to 200ML water and diluted to 500mL to prepare a buffer of pH9.50 with salt concentrated of 0.10M?
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It was assumed: a) Before any acetic acid was added, essentially all the indicator was in the In- form. b) After the HCl was added, essentially all the indicator was in the HIn form. Justify these assumptions using the measured pH of these solutions and your experimental value for pKHIn to determine: 1) The fraction fo the indicator in the HIn form in solution B before any of solution A was added 2) The fraction of the indicator in the In- form after the HCl was added.
can search the web by typing the chemical name followed by SDS) b) what is the best practice to follow if a small amount of sulfuric acid (1M) comes in contact with your bare hand? 2. Write a one or two sentence statement of what the purpose of this lab is. 3. To prepare for laboratory: For each of the eight unknowns solutions that you will identify in lab (see above or table below), identify the chemical color and the pH category (acidic, neutral, or basic) that you expect to find. Prepare a table to summarize your initial expectations for the color and pH tests. A. Introduction- A Fictitious Scenario ne Chem-Police, a division of the Office of Homeland Security created in re-
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[Review Topics] [References] Use the References to access important values if needed for this question. An aqueous solution contains 0.305 M methylamine (CH,NH,). How many mL of 0.365 M hydroiodic acid would have to be added to 150 mL of this solution in order to prepare a buffer with a pH of 10.600? mL Submit Answer Retry Entire Group 9 more group attempts remaining Previous Next Save arn Email Instructor
A. Preparation of reagents Standard HCI solution Compute for the volume of concentrated HCI needed to prepare 500 mL of 0.1000 M HCI solution. Prepare the solution accurately. • NaCl solution Compute for the weight of NaCl needed to prepare 250 mL of 0.05 M NaCI solution. Prepare the solution accurately. B. Correction factor for indicator Determine the indicator correction by titrating approximetely 100 ml of 0.05 NaCl and 3 drops of indicator. Boil briefly, cool, and then complete the titration. Determine the volume of HCI that react with the indicator. You may do one to two replicates for this part