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3. explain the expected relative conductivity of 0.10 mol/l samples of hydrobromic acid, benzoic acid, and hydrocyanic acid
Accepted Answer
The expected relative conductivity of 0.10 mol/L samples of hydrobromic acid, benzoic acid, and hydrocyanic acid would be:
HBr (strong acid) > HCN (weak acid) > benzoic acid (very weak acid)
Conductivity is a measure of the ability of a solution to conduct electricity. It is determined by the concentration of ions in the solution and the mobility of those ions. Strong acids, like HBr, dissociate completely in water, producing a high concentration of ions and resulting in high conductivity. Weak acids, like HCN, dissociate only partially, producing a lower concentration of ions and resulting in lower conductivity. Very weak acids, like benzoic acid, dissociate very little, producing a very low concentration of ions and resulting in very low conductivity.
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