Which substance will most affect the freezing point of water if 1 mole of the substance is added to 1 kilogram of water?

What’s the percent by mass of carbon in c10h14n2

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

Ab c or d ? i’m not sure what the answer is