How do we know if sodium carbonate was added when making sodium thiosulfate?

Question:

How do we know if sodium carbonate was added when making sodium thiosulfate?

Synthesis:

Thiosulfate is a very unstable compound in acidic conditions, which can be stabilized by providing an alkaline condition. The {eq}{\rm{N}}{{\rm{a}}_2}{\rm{C}}{{\rm{O}}_3} {/eq} solution is alkaline and stabilizes the thiosulfate by providing hydroxide anions.

Answer and Explanation: 1

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In the formation of sodium thiosulfate, sodium carbonate is the first compound used in the synthesis, so it is added to the reaction.

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Synthesis Reaction: Definition, Formula & Examples

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Chapter 3 / Lesson 16
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What is a synthesis reaction? Learn the synthesis reaction definition, mechanism, types, and equations. Also, see synthesis reaction examples in everyday life.


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