Pragmatic or luck? Hear me out... Why assume "that the oil formed a single layer of molecules — a monolayer" ? That is a very fundamental assumption, and coul

Pragmatic or luck? Hear me out... Why assume "that the oil formed a single layer of molecules — a monolayer" ? That is a very fundamental assumption, and could have been wrong as well (we know it is right, because the values match with more accurate recordings, but still...)