Can someone help me to answer this correctly, please, and explain it. Please answer these 3 short questions, I don't have more money to buy more questions. These 3 questions are different.

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Use the References to access important values if needed for this question. An aqueous solution is 10.0% by mass hydrochloric acid, HCl, and has a density of 1.05g/mL. The molarity of hydrochloric acid in the solution is M. The mole fraction of aluminum sulfate, Al2(SO4)3, in an aqueous solution is 8.56102. The percent by mass of aluminum sulfate in the solution is % The molality of ethanol, CH3CH2OH, in an aqueous solution is 10.6m. What is the mole fraction of ethanol in the solution