What is an expression of molality? Chemistry Solutions Molality 1 Answer Jasmine Apr 12, 2017 #m# = moles of #solute# #/# kilogram of #solvent # Explanation: Morality is defined as number of moles of solute dissolved per kilogram of solvent. For example when #58.5 g# of #NaCl# is dissolved in one kilogram of water the resulting solution would be one molal or 1m #NaCl# . Answer link Related questions How do molality and molarity differ? How high can molality be? How do you calculate molality from molarity? Why is molality used for colligative properties? Why is molality independent of temperature? How can I calculate the molality when 75.0 grams of MgCl2 is dissolved in 500.0 g of solvent? 49.8 grams of KI is dissolved in 1.00 kg of solvent. What is the molality? 58.44 grams of NaCl and you dissolved it in exactly 2.00 kg of pure water (the solvent). What... What is the molality when 0.75 mol is dissolved in 2.50 L of solvent? What is the molality when 48.0 mL of 6.00 M H2SO4 are diluted into 0.250 L? See all questions in Molality Impact of this question 4101 views around the world You can reuse this answer Creative Commons License