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Which aqueous solution has the greatest ability to conduct an electric current?

June 2023 NY Regents Chemistry Exam


47 Which aqueous solution has the greatest ability to conduct an electric current? (1) 0.10 M NaCl(aq) (2) 0.010 M NaCl(aq) (3) 0.10 M C6H12O6 (aq)

(4) 0.010 M C6H12O6 (aq)


Solution: Ionic compounds, when dissolved in water, dissociate to produce ions (charged) and can conduct electricity. NaCl is an ionic compound because it is composed of a metal and a nonmetal. The higher the concentration of the ionic solution, the more it will be able to conduct electricity.

Answer: 1


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