What mass of salt (nacl) should you add to 1.78 l of water in an ice cream maker to make a solution that freezes at -11.2 ∘c ? assume complete dissociation of the nacl and density of 1.00 g/ml for water.

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.