Question

l1. which of the following aqueous solutions would be expected to be the best conductor of an electric current at room temperature? a. 0.10 M CH3COOH b. 0.10 M HCISrorb Acd C.0.10 M Na2SO4 d. 0.10 M NaCl e. 0.10 M H3PO4
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Answer #1

Acidic solutions are not as better as ionic ones. CH3COOH is a weak acid and cannot
dissociate completely, H3PO4 and HCl can dissociate very well but they are not as good as ionic ones
as they do not provide many ions as produced by Na2SO4 and NaCl.
Ionic aqueous solutions are great conductors of an electric current, among these options there are
only 2 such options i.e) 0.10M Na2SO4 and 0.10M NaCl. Na2SO4 has more ionzation per mole of substance
compared to NaCl hence, 0.10 M Na2SO4 is the best conductor.
Option c is the answer.

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