CHEM 2212 Analysis Report Fall 2017 Statistical Evaluation of Acid-Base Indicato

Question

CHEM 2212 Analysis Report Fall 2017 Statistical Evaluation of Acid-Base Indicators DATE NAME: SECTION NO INSTRUCTOR A. Molarities of Hydrochloric Acid BG MO MR Mean Molarity | O,o?094 of HCl Standard deviation |.co/82/? | 0.00YYYe | o.o's Note: BG-bromocresol green, MO : methyl orange, BB = bromothymol blue, M R = methyl red Which two indicators show the largest difference in HCl concentration? and B. Comparison of the Two Most Different Molarities in A 1. Are the two standard deviations for these two molarities determine this. Show work below. (in A) statistically identical?Use the F-test to (01473,3303 Fea taljc

Explanation / Answer

Yes the the two indicators choosen by you is correct .i.e. Methyl Red and Bromothymol Blue

As Methyl Red pH 4.4-6.2

and Bromothymol Blue pH 0-6-7.6

and also these two indicators are showing largest difference in HCl concentration from the given data

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