Answer: Inclined plane, simple machine consisting of a sloping surface, used for raising heavy bodies. The force required to move an object up the incline is less than the weight being raised, discounting friction. The steeper the slope, or incline, the more nearly the required force approaches the actual weight.
Explanation:
Non metal atoms got this from google btw
78.6 g (1mol/60.1 g)= 1.31 moles of isopropanol