A 20.00-mL sample contains 1.00 g of NaHCO,. This sample is used to standardize an N&OH solution. At the equivalence point, 39.60 mL of NaOH have been added. К,(нСо, ) — 48 х 10 1 Indicators that change color within the pH range: bromothymol blue = 6.0 – 7.7 phenolphthalein = 8.3 – 9.8 alizarin yellow R = 10.0 – 12.0 a. What was the concentration of the N&OH? Concentration ]M b. What is the pH at the equivalence point? pH = c. Which indicator, bromothymol blue, phenolphthalein, or alizarin yellow R, should be used in the titration? с.

A 20.00-mL sample contains 1.00 g of NaHCO,. This sample is used to standardize an N&OH solution. At the equivalence point, 39.60 mL of NaOH have been added. К,(нСо, ) — 48 х 10 1 Indicators that change color within the pH range: bromothymol blue = 6.0 – 7.7 phenolphthalein = 8.3 – 9.8 alizarin yellow R = 10.0 – 12.0 a. What was the concentration of the N&OH? Concentration ]M b. What is the pH at the equivalence point? pH = c. Which indicator, bromothymol blue, phenolphthalein, or alizarin yellow R, should be used in the titration? с.

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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