(12/ Experiment 11: Solutions Post-lab Questions 1. Did you observe a difference

Question

(12/ Experiment 11: Solutions Post-lab Questions 1. Did you observe a difference in conductivity of deionized water and tap water. If yes, exp is a difference What was the conductivity of solid sodium chloride?. water was added to the salt? Explain your observations 2. What was the conductivity of the mixture when 3, Indicate whether solutions of each of the following contain (a) only ions, (b) only molecules, or (c) mostly molecules and a few ions. Compound Type of particles in aqueous solution I. NaCI 2. NaOH 3. CH OH (Ethanol) 4. HCI 5. CH COOH (Acetic acid 6. NH

Explanation / Answer

Ans 1 :

The conductivity of the water is dependent on the amount of ions present in it , as the ions help in conduction of electric current.

Since the deionized water lacks ions in it , it is unable to conduct electric current , hence it has very low conductivity.

Whereas the tap water has many ions into it , the reason it has good conductivity.

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