13. Calculate the mole fraction ( Xethanol) of C2H5OH in a solution that contains 46 grams of ethanol, C2H5OH, and 64 grams of methanol, CH3OH.
14. Calculate the molarity (M) of a solution made by dissolving 360 g of glucose (C6H12O6) in enough water to make 1.5 L of solution.
15. Describe how you would prepare 500 mLs of a 6.0 M HNO3 solution from an 18 M HNO3 solution.