Titration of 0.1756 g of primary standard Na_2C_2O_4 required 32.04 mL of a KMnO_4 solution....

Question:

Titration of {eq}\rm 0.1756\ g {/eq} of primary standard {eq}\rm Na_2C_2O_4 {/eq} required 32.04 mL of a {eq}\rm KMnO_4 {/eq} solution. Calculate the concentration of {eq}\rm KMnO_4 {/eq}.

Primary Standards:

The primary standards illustrate the class of substances which are "pure and stable." They played a vital role in preparing "secondary standard solutions." They have stable concentration so can be used to determine "concentration in titration."

Answer and Explanation: 1

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Given data:

  • The mass of {eq}\rm N{a_2}{C_2}{O_4} {/eq} is 0.1756 g.
  • The volume of {eq}\rm KMn{O_4} {/eq} required is 32.04 mL.


The titration...

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Standard Solution: Definition & Method

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Chapter 8 / Lesson 11
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Learn about standard solutions in chemistry. Understand the definition of standard solutions, what standard solution is used for, and explore how to prepare standard solutions.


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