Chem Help please!!!!!!!!?

You have prepared a solution composed of 50.00 percent ethanol (C2H5OH) and 50.00 percent water by m (the molar mes of ethanol and water are and 46.07 and 18.02 g/mol). The solution has a density of 0.8554 g cm–3. The concentration of the solution expressed as the mole fraction of ethanol is: (Remember, enter numbers only!)