See image below A student performs the pka of an Indicator experiment with phenol red, and obtains the following dataat 560 nm.pH7.137.397.798.218.56Pure HInPure InA-AINAHIR-A1: Calculate logA AinAHIn - AAbsorbance log-0.1440.2340.4020.5500.6270.00030.712for the five solutions, as well as the pka for each.2: Calculate the average pka. Using this value, calculate the K₂ of phenol red.pka

Given, Wavelength = 560 nm Aln-= 0.712AHln=0.0003

A student performs the pka of an Indicator experiment with phenol red, and obtains the following data at 560 nm. pH 7.13 7.39 7.79 8.21 8.56 Pure Hin Pure In 1: Calculate log A-AIN АHIN Absorbance 0.144 0.234 0.402 0.550 0.627 0.0003 0.712 A- A In- AHIn - A log- for the five solutions, as well as the pka for each. n-A 2: Calculate the average pka. Using this value, calculate the Ka of phenol red. pka

A student performs the pka of an Indicator experiment with phenol red, and obtains the following data at 560 nm. pH 7.13 7.39 7.79 8.21 8.56 Pure Hin Pure In 1: Calculate log A-AIN АHIN Absorbance 0.144 0.234 0.402 0.550 0.627 0.0003 0.712 A- A In- AHIn - A log- for the five solutions, as well as the pka for each. n-A 2: Calculate the average pka. Using this value, calculate the Ka of phenol red. pka

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter16: Acids And Bases

Section: Chapter Questions

Problem 19QAP: . How is the strength of an acid related to the fact that a competition for protons exists in...

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