Conducting electricity EQUALLY well means both not very well, both not at all, both very well.
So look to see if the pair are non-electrolytes, strong electrolytes, weak electrolytes.
NH3 and NH4Cl. NH3 is a weak base; NH4Cl a salt that ionizes completely so NH3 will conduct weakly and NH4Cl strongly. Not #1.
NaNO3 is ionizes 100% so strong conductor; HNO2 is a weak acid so weak conductor. Not #2.
HBr a strong acid and HF weak acid; therefore not #3
4. NaCl strong electrolyte; NaClO4 strong electrolyte so both will conduct electricity very well. I would pick #4 as the choice.
Each response gives a pair of solutions. Which pair of solutions should conduct electrical current equally well?
1. 0.10 M NH3 and 0.10 M NH4Cl
2. 0.10 M NaNO3 and 0.10 M HNO2
3. 0.10 M HBr and 0.10 M HF
4. 0.10 M NaCl and 0.10 M NaClO4
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