When 2.0 ± 0.1 mL drops of 0.1 M HCL is added to a clean test tube with 1 drop of universal indicator. The pH levels are noted. The first sample of HCl (with the universal indicator droplet) is added 0.1 M NaOH drop by drop. What will be the color and pH after 5 drops of NaOH were added. If you continue adding 5 drops at a time how much drops would be required to reach pH of 7 and pH above 10.

When 2.0 ± 0.1 mL drops of 0.1 M HCL is added to a clean test tube with 1 drop of universal indicator. The pH levels are noted. The first sample of HCl (with the universal indicator droplet) is added 0.1 M NaOH drop by drop. What will be the color and pH after 5 drops of NaOH were added. If you continue adding 5 drops at a time how much drops would be required to reach pH of 7 and pH above 10.

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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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

Plz explain. Thanks

When 2.0 ± 0.1 mL drops of 0.1 M HCL is added to a clean test tube with 1 drop of universal
indicator. The pH levels are noted.
The first sample of HCl (with the universal indicator droplet) is added 0.1 M NaOH drop by
drop. What will be the color and pH after 5 drops of NaOH were added.
If you continue adding 5 drops at a time how much drops would be required to reach pH of 7 and
pH above 10.
1 mL of liquid = 20 drops, how many mL of 0.1 M NaOH were needed to neutralize the 2 mL
sample of 0.1 M HCI?
If the process is repeated using 2 mL of 0.1 M CH3COOH, what change in pH level would be seen
in the addition of NaOH when its neutralized?
What are the differences in the response of universal indicator to the two reactions?

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Step 2: pH of 2.0 +-0.1 mL drops of 0.1 M HCl

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Step 3: Color and pH after adding 5 drops of 0.1 M NaOH

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Step 4: Color and pH after adding 5 drops of 0.1 M NaOH

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Step 5: Drops of NaOH required to reach pH 7

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