How does molality differ from molarity?
a) Molality is the concentration of a solution in moles per liter of solvent, while molarity is the concentration in moles per kilogram of solvent
b) Molality is temperature-dependent, while molarity is not
c) Molality accounts for the volume of the solute, while molarity does not
d) Molality is used for gases, while molarity is used for liquids and solids