5. A solution of 0.100 M HCI and a solution of 0.100 M NAOH14are prepared. A 40.0 mL sample of one of the solutions isadded to a beaker and then titrated with the other solution. A12pH electrode is used to obtain the data that are plotted in the10titration curve shown.8.pHa. Identify the solution that was initially added to thebeaker and which solution was in the buret. Explainyour reasoning.6.2b. At the equivalence point, how many moles of titrant0-have been added?20.040.060.080.0Volume of Titrant Added (mL)c. The same titration is to be performed again, this timeusing an indicator. Use the information in the table below toselect the best indicator for the titration. Explain your choice.pH Range ofColor ChangeIndicatorMethyl violet0-1.6Methyl red4-6Alizarin yellow10 - 12

(a). Answer- The solution in the beaker was the 0.100 M HCl because the initial pH was 1 (the pH of…

5. A solution of 0.100 MHCI and a solution of 0.100 M NGOH 14 are prepared. A 40.0 mL sample of one of the solutions is added to a beaker and then titrated with the other solution. A 12 pH electrode is used to obtain the data that are plotted in the 10 titration curve shown. pH 6. a. Identify the solution that was initially added to the beaker and which solution was in the buret. Explain your reasoning. 4. b. At the equivalence point, how many moles of titrant have been added? 20.0 40.0 60.0 80.0 Volume of Titrant Added (mL.) c. The same titration is to be performed again, this time using an indicator. Use the information in the table below to select the best indicator for the titration. Explain your choice. pH Range of Color Change Indicator Methyl violet 0-1.6

5. A solution of 0.100 MHCI and a solution of 0.100 M NGOH 14 are prepared. A 40.0 mL sample of one of the solutions is added to a beaker and then titrated with the other solution. A 12 pH electrode is used to obtain the data that are plotted in the 10 titration curve shown. pH 6. a. Identify the solution that was initially added to the beaker and which solution was in the buret. Explain your reasoning. 4. b. At the equivalence point, how many moles of titrant have been added? 20.0 40.0 60.0 80.0 Volume of Titrant Added (mL.) c. The same titration is to be performed again, this time using an indicator. Use the information in the table below to select the best indicator for the titration. Explain your choice. pH Range of Color Change Indicator Methyl violet 0-1.6

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter22: Bulk Electrolysis: Electrogravimetry And Coulometry

Section: Chapter Questions

Problem 22.26QAP

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