Question

A student was given four unknown solutions. Each solution was checked for. conductivity and tested with. phenolphthalein. The results are shown in the data table below

based on the data table which unknown solution could be 0.1 M NaOH
1.A. 2.B
3.C. 4.D
The table is that it talks about is in the picture attached

Answer 1

Answer: (3) C

Explanation:

Answer 2

The degree of electric current flow through a material is called conductivity. The solution that could be 0.1 M sodium hydroxide is solution C.

What is phenolphthalein?

Phenolphthalein is a chemical compound that is used as an indicator in the acid and base titration to determine the endpoint of the reaction.

Solution C from the table indicates good conductivity and also changes color with the phenolphthalein indicator. As we know, the solution of sodium hydroxide is basic and releases anions and cations in the solution.

The release of sodium and hydroxide ions in the solution makes them a good conductor of electricity.

Therefore, option 3. C solution is most likely to be 0.1 M sodium hydroxide solution.

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