Molality is expressed in units of (1) \( \mathrm{mol} \mathrm{~kg}^{-1} \) (2) \( \mathrm{mol} \...

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Molality is expressed in units of
(1) \( \mathrm{mol} \mathrm{~kg}^{-1} \)
(2) \( \mathrm{mol} \mathrm{~L}^{-1} \)
(3) \( \mathrm{mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1} \)
(4) \( \mathrm{mol}^{1} \mathrm{~g}^{-1} \mathrm{~s}^{-1} \)
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