Two test tubes contain colorless solutions of formic acid and sodium hydroxide. How to empirically
| October 27, 2020 | Education
Two test tubes contain colorless solutions of formic acid and sodium hydroxide. How to empirically determine which of the test tubes contains the acid solution?
Add a few drops of litmus – the color of the indicator changes only in the formic acid solution. for example, a blue litmus solution in a formic acid solution turns red.
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