Conductivity Lab Report

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Conductivity Lab

| Did conduct | Did not conduct | Solid sodium chloride | | | Solid sucrose | | | Distilled water | | | Alcohol | | | Tap Water | | | Distilled water and sodium chloride | | | Distilled water and sucrose | | | Alcohol and sodium chloride | | | Alcohol and sucrose | | |

Questions:

2). Did any of the liquids conduct an electric current? If so, which one(s), and please explain why or why not thoroughly?
The tap water contains ions and minerals that conduct electricity due to the charges within the water. Distilled water is a liquid covalent compound where there are no charges or minerals and ions floating around and thus no electricity is conducted. The conductivity of either
…show more content…
Which of the two solids must be an ionic compound? Why?

Sodium chloride is an ionic compound because sodium donates an electron to chlorine. This causes sodium to have a positive charge making it cation. Also this causes chlorine to have a negative charge making it an anion. Also, when NaCl was place in the previously unconducting distilled water, it created an electrical current with it’s electrical charged from being separated by the water. Sucrose, although may have been broken, was not composed of ionic compounds and therefore did not create an electrical current.

b). What ions are found in this compound?
In sodium chloride there is Na+ which is a cation that donated an electrical to chlorine. Also there is Cl- which is an anion that received an electron from sodium.

c). Why do these ions conduct electricity when dissolved but not in the solid state? Explain thoroughly.
In the solid state, the compound is neutral. There is no electrical charge. The positive of Na and the negative of Cl cancel each other out to create a neutral compound. When separate though, both have charged that conduct an electrical current.

d). Write a chemical equation to show what happens when this solid is dissolved in

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