In titration, one solution is added to another solution until a chemical reaction between the components in the solutions has run to completion. The solution being added is called the titrant, and we say that it is used to titrate the other solution. The completion of the reaction is usually shown by a change of color caused by a substance called an indicator. A typical titration proceeds in the following way. A specific volume of the solution to be titrated is poured into an Erlenmeyer flask. For example, 15.0 mL of a sulfuric acid solution of unknown concentration is added to a 250 mL Erlenmeyer flask. An indicator is then added to the flask, which changes color when the reaction is complete. The titrant in this example is potassium hydroxide, having a concentration of 0.121 M. The titrant is added to a buret. After slowly adding the titrant to the flask, the reaction is complete when a color change occurs. If 11.4 mL of KOH was added to the flask, what is the molarity of the sulfuric acid solution? For this assignment, write and balance the molecular equation for KOH and H2SO4. Then show all work and final units for the molarity of the sulfuric acid solution.
In titration, one solution is added to another solution until a chemical reaction between the components in the solutions has run to completion. The solution being added is called the titrant, and we say that it is used to titrate the other solution. The completion of the reaction is usually shown by a change of color caused by a substance called an indicator. A typical titration proceeds in the following way. A specific volume of the solution to be titrated is poured into an Erlenmeyer flask. For example, 15.0 mL of a sulfuric acid solution of unknown concentration is added to a 250 mL Erlenmeyer flask. An indicator is then added to the flask, which changes color when the reaction is complete. The titrant in this example is potassium hydroxide, having a concentration of 0.121 M. The titrant is added to a buret. After slowly adding the titrant to the flask, the reaction is complete when a color change occurs. If 11.4 mL of KOH was added to the flask, what is the molarity of the sulfuric acid solution? For this assignment, write and balance the molecular equation for KOH and H2SO4. Then show all work and final units for the molarity of the sulfuric acid solution.
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.95PAE: The following is a thought experiment. Imagine that you put a little water in a test tube and add...
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Transcribed Image Text:5:15 1
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Discussion Assignment #6
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INFO
DISCUSSION
Discussion Assignment #6
Due:Wednesday, 14 Oct 2020, 3:00 PM
In titration, one solution is added to another
solution until a chemical reaction between the
components in the solutions has run to
completion. The solution being added is called the
titrant, and we say that it
solution. The completion of the reaction is usually
shown by a change of color caused by a
substance called an indicator.
used
titrate the other
A typical titration proceeds in the following way. A
specific volume of the solution to be titrated is
poured into an Erlenmeyer flask. For example,
15.0 mL of a sulfuric acid solution of unknown
concentration is added to a 250 mL Erlenmeyer
flask. An indicator is then added to the flask, which
changes color when the reaction is complete.
The titrant in this example is potassium hydroxide,
having a concentration of 0.121 M. The titrant is
added to a buret. After slowly adding the titrant to
the flask, the reaction is complete when a color
change occurs.
If 11.4 mL of KOH was added to the flask, what is
the molarity of the sulfuric acid solution?
For this assignment, write and balance the
molecular equation for KOH and H2SO4. Then
show all work and final units for the molarity of the
sulfuric acid solution.
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