Banks DIH says its classic Banks Beer contains 4.5% alcohol by volume (v/v) in the liquid phase. The alcohol is primarily ethanol (C2H5OH) which has a dimensionless Henry's volatility constant of 2.12x10-9 at 25C. (a) Assume that a ice-cold beer warms up to 25C, what is the concentration of ethanol in the gas phase of the bottle? Give units in mg/mL (b) A typical beer bottle is contains 275 mL of beer and 75 mL of air. What is the total mass of ethanol in the bottle in mg? For your information: v/v = mL/mL