Answer to Question #176421 in General Chemistry for anonymous

Question #176421

Titration.

 

A solution of sodium carbonate (Na2CO3) of unknown concentration is titrated using a 0.1 M hydrochloric acid (HCl), using thymol blue as indicator. The reaction is as follows:


Na2CO3 + 2HCl → 2NaCl + CO2 + H2O


The titration is repeated several times (see results table). For each trial, 25 ml of Na2CO3 are used.


Trial number Volume of HCl used (ml)

1 30

2 25.5

3 25.7

4 25.6

 

What is the molarity of the Na2CO3 solution?


1
Expert's answer
2021-03-30T07:50:54-0400

The Molarity of "Na_2CO_3" Solution ;


0.013986 M

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