Methyl red has apk, of 5.0 and is red in its acid form and yellow in its basic form. Part A If several drops of this indicator are placed in a 28.0-mL sample of 0.110 M HCI, what color will the solution appear? O yellow red Submit Request Answer Part B If 0.110 M NaOH is slowly added to the a sample, in what pH range will the indicator change color? Express your answers using one decimal place. Enter your answers in ascending order separated by a comma. pH. pH3 - Submit Request Answer

Methyl red has apk, of 5.0 and is red in its acid form and yellow in its basic form. Part A If several drops of this indicator are placed in a 28.0-mL sample of 0.110 M HCI, what color will the solution appear? O yellow red Submit Request Answer Part B If 0.110 M NaOH is slowly added to the a sample, in what pH range will the indicator change color? Express your answers using one decimal place. Enter your answers in ascending order separated by a comma. pH. pH3 - Submit Request Answer

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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In titrating 40.0 mL of 0.10 M of HCI solution with 0.15 M of KOH solution, what would be the pH of the solution after the addition of 26.80 mL of KOH? Please fill in the space with a numerical value with two digits or two decimal places without units
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Do the 2nd and 3rd questions according to the table below. Indicator Acid color Color change, pH range Base color Methyl orange Red 3.1-4.5 Yellow Brome tymol blue Yellow 6.0-7.6 Blue 2) When the above-mentioned indicators are dropped into the two separate 10* M HCI solution, what will the color of solutions be respectively? A. Red, blue B. Red, yellow C. Yellow, yellow D. Yellow, blue E. Orange, green 3) When the above-mentioned indicators are dropped into the two separate 10 M NAOH solution, what will the color of solutions be respectively? A. Red, blue B. Red, yellow C. Yellow, yellow D. Yellow, blue E. Orange, green В. When the above-mentioned indicators are dropped into the 0.1 M NH3, what will the color of solution be? K, for NH3: 1x105
which of the following titrations result in a basic solution at equivalence point ?
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When a 24.7 mL sample of a 0.389 M aqueous hydrofluoric acid solution is titrated with a 0.390 M aqueous sodium hydroxide solution, what is the pH after 37.0 mL of sodium hydroxide have been added? pH = Submit Answer Retry Entire Group 7 more group attempts remaining
A student obtains the following data from the Determining the pKa of an Acid-Base Indicator experiment. Using this data, calculate the pKa of the indicator in the fourth solution. Solution Abs. pH 3.4 + HCI 0.054 pH 4.6 + NaOH 0.564 Sample # actual pH Abs. 1 3.48 0.130 2345 3.77 0.217 3.99 0.296 4.37 0.388 4.54 0.468 Your Answer: Answer (2 points) After creating a graph of pH versus log([HIn]/[In-]), the following trendline is obtained. = -1.0291× + 3.721 y=-1 Calculate the pKa of bromophenol blue from this data to three decimal places. Your Answer: Answer MacBook Pro
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