In three numbered test tubes, potassium sulfate sodium silicate and sodium carbonate are given
| September 27, 2021 | education
In three numbered test tubes, potassium sulfate sodium silicate and sodium carbonate are given, how to determine the content of each test tube using 1 substance, write the corresponding reaction equations.
You can distinguish between these substances using an acid solution, for example, hydrochloric acid. In the test tube with sodium silicate, a precipitate of silicic acid will precipitate, carbon dioxide will be released in the test tube with sodium carbonate, and there will be no changes in the test tube with potassium sulfate.
Na2SiO3 + 2HCl = H2SiO3 + 2NaCl
Na2CO3 + 2HCl = H2O + CO2 + 2NaCl
K2SO4 + HCl = no reaction
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