Please explain in detail the step by step method of how to dothese problems including formulas used:
1) What is the molarity of sodium chloride in solutionthat is 13.0% by mass sodium chloride and that has a density of1.10 g/mL?
2) The vapor pressure of pure ethanol at 60oCis 0.459 atm. What is the vapor pressure predicted byRaoult's Law of a solution prepared by dissolving 10.0 mmolnaphthalene (nonvolatile) in 90.0 mlili molar ethanol?