Determine the Concentration of the Unknown Strong Acid. 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).10 mL of unknown acid sample was placed in a 250 mL Flask. 3 drops (0.15 mL) of Phenolphthalein was added to the unknown acid and 10.0 M NaOH solution titrant was dispensed until it changed color. The final volume of the unknown acid sample is 11.680 mL. According to the website, the concentration of the acid is 1.53 M. Please provide the computation for the final concentration of the unknown sample. 10.0 M NAOHPhenolphthalein50.000 mL@ 25.0°C99.850 mL @ 25.0°C10 mL Pipette0.0000 mL @ 25.0°CUnknown Acid Sample11.680 mL@ 25.1°CUnknown Acid50 mL Burette90.000 mL@ 25.0°C48.470 mL @ 25.0°C Determine the Concentration of the Unknown Strong AcidIn 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 usingNaOH 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 theNaOH solution so that the volume to reach the endpoint is between 10 and 50 mL).Once you have determined the concentration of the acid, please enter your answer into a form at the bottom of this page.What is the concentration of the acid (Please use three significant figures for your answer)1.53M.Determine the Concentration of the Unknown Strong Acid: DONEWhat was the concentration of the acid?1.53 M.Well done! !

Given that - Molarity of NaOH used = 10.0 M Volume of NaOH used = 50.000 mL Volume used of…

Answered: 10 mL of unknown acid sample was placed…

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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Determine the Concentration of the Unknown Strong Acid. 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).

10 mL of unknown acid sample was placed in a 250 mL Flask. 3 drops (0.15 mL) of Phenolphthalein was added to the unknown acid and 10.0 M NaOH solution titrant was dispensed until it changed color. The final volume of the unknown acid sample is 11.680 mL. According to the website, the concentration of the acid is 1.53 M. Please provide the computation for the final concentration of the unknown sample.

10.0 M NAOH
Phenolphthalein
50.000 mL@ 25.0°C
99.850 mL @ 25.0°C
10 mL Pipette
0.0000 mL @ 25.0°C
Unknown Acid Sample
11.680 mL@ 25.1°C
Unknown Acid
50 mL Burette
90.000 mL@ 25.0°C
48.470 mL @ 25.0°C

Determine the Concentration of the Unknown Strong Acid
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).
Once you have determined the concentration of the acid, please enter your answer into a form at the bottom of this page.
What is the concentration of the acid (Please use three significant figures for your answer)
1.53
M.
Determine the Concentration of the Unknown Strong Acid: DONE
What was the concentration of the acid?
1.53 M.
Well done! !

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