properties. 2)What mass of \( NaCl (58.5 g / mol ) \) must be dissolved in \( 65 g \) water to lower the freezing point by \( 7.

properties. 2)What mass of \( NaCl (58.5 g / mol ) \) must be dissolved in \( 65 g \) water to lower the freezing point by \( 7.5^{\circ} C \) ? \( Kr ^{-1.86} \) \( K Kg / mol \) and \( i \) for \( Na Cl =1.86 \) 3) Differentiate between molarity and molality of a solution.

properties. 2)What mass of \( NaCl (58.5 g / mol ) \) must be dissolved in \( 65 g \) water to lower the freezing point by \( 7.5^{\circ} C \) ? \( Kr ^{-1.86} \) \( K Kg / mol \) and \( i \) for \( Na Cl =1.86 \) 3) Differentiate between molarity and molality of a solution.

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