Question: 1. What is the freezing point of a solution prepared by dissolving 20 g of ethanol (Molar mass = 46 g/mol) in 120 ml. of water? The freezing point depression constant Assume density of water is I g/ml. for water is 1.86 "C/m.​

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

i believe that it is a exoplanet

a corroding iron, if that's one of your choices