molarity = 1.0 M Molality (m) Molalityis the number of moles of solute per kilogram of solvent. Because the density of water at 25°C is about 1 kilogram per liter, molality is approximately equal to molarity for dilute aqueous solutions at this temperature. This is a useful approximation, ...
Molality is moles / kg of solvent. Molarity is moles / volume of solution. The Attempt at a Solution Pretty sure all the ones in the screenshot from the webpage of some university professor are wrong. For 1) a) Assume 1000 mL of solution. We therefore have 0.84 moles of ...