Angie mixes the fertilizer for her plants at the beginning of the week. she puts 40 g of the fertilizer-water solution in each of seven closed containers and uses one container each day to water her plant. one day, she goes outside to get a container and finds that the solution in it is frozen. how much mass should the frozen solution in the container have? a. 20 g b. 0 g c. 40 g d. 10 g