In this activity, you will use the virtual lab to determine the concentration of a strong monoprotic acid. To do this, you can perform a titration using NaOH and phenolphthalein found in the virtual lab. (Note: The concentration of the acid is between 0.025M and 2.5M so you will need to dilute the NaOH solution so that the volume to reach the endpoint is between 10 and 50 mL). 1. Volume (mL) of the unknown acid solution with the indicator in the flask: ________ (Write your answer in 2 decimal places without the unit). 2. Volume (mL) of the base used to complete the titration:____________ (Write your answer in 2 decimal places without the unit). 3. Concentration (Molarity) of the unknown acid:_________ (Write your answer in 2 decimal places without the unit).
In this activity, you will use the virtual lab to determine the concentration of a strong monoprotic acid. To do this, you can perform a titration using NaOH and phenolphthalein found in the virtual lab. (Note: The concentration of the acid is between 0.025M and 2.5M so you will need to dilute the NaOH solution so that the volume to reach the endpoint is between 10 and 50 mL). 1. Volume (mL) of the unknown acid solution with the indicator in the flask: ________ (Write your answer in 2 decimal places without the unit). 2. Volume (mL) of the base used to complete the titration:____________ (Write your answer in 2 decimal places without the unit). 3. Concentration (Molarity) of the unknown acid:_________ (Write your answer in 2 decimal places without the unit).
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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Question
In this activity, you will use the virtual lab to determine the concentration of a strong monoprotic acid. To do this, you can perform a titration using NaOH and phenolphthalein found in the virtual lab. (Note: The concentration of the acid is between 0.025M and 2.5M so you will need to dilute the NaOH solution so that the volume to reach the endpoint is between 10 and 50 mL).
1. Volume (mL) of the unknown acid solution with the indicator in the flask: ________ (Write your answer in 2 decimal places without the unit).
2. Volume (mL) of the base used to complete the titration:____________ (Write your answer in 2 decimal places without the unit).
3. Concentration (Molarity) of the unknown acid:_________ (Write your answer in 2 decimal places without the unit).
Transcribed Image Text:Stockroom
Workbench 1
Solutions
Glassware
Tools
Distilled H;0
Distilled Water
10.0 M NaOH
Unknown Acid
Phenolphthalein
3.0L
50.000 ml@ 25.0°C
90.000 ml @ 25.0°C
99.850 ml@ 25.0°C
10.0M NaOH
10.0M Sodium Hydraxide
0.1L
Unknown Acid
0.1L
50 mL Burette
48.240 ml@ 25.0°C
250 mL Flask
Phenolphthalein
Phenolphthalein Indicator Solution
11.910 ml @ 25.3°C
0.1L
What is the concentration of the acid (Please use three significant figures for your answer)
M.
Check
Transcribed Image Text:What is the concentration of the acid (Please
use three significant figures for your answer)
M.
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