A^@m for NaCl, HC1 and NaAc are 126.4, 4...

`A^@_m` for NaCl, HC1 and NaAc are 126.4, 425.9 and 91.0 S `cm^2` `mol_-1` respectively. Calculate `A^@` for HAc.

`278 S cm^2 mol^-1`

`976 S cm^2 mol^-1`

`128 S cm^2 mol^-1`

`302 S cm^2 mol^-1`

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