The term “proof,” still used to describe the ethanol content of alcoholic beverages, originated in seventeenth century England. A sample of whiskey was poured on gunpowder and set afire. If the gunpowder ignited after the whiskey had burned off, this “proved” that the whiskey had not been watered down. The minimum ethanol content for a positive test was about 50%, by volume. The 50% ethanol solution became known as “100 proof.” Thus, an 80-proof whiskey would be 40% CH₃CH₂OH by volume. Listed in the table below are some data for several aqueous solutions of ethanol. With a minimum amount of calculation, determine which of the solutions are more than 100 proof. Assume that the density of pure ethanol is 0.79 g/mL.