An aqueous solution is 28.0 % by mass ethanol, CH3CH2OH, and has a density of 0.957 g/mL.
The mole fraction of ethanol in the solution is____ .
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An aqueous solution is 6.00% by mass ethanol, CH3CH2OH, and has a density of 0.988 g/mL. The molality of ethanol in the solution is _______m.
An aqueous solution is 1.00% by mass ethanol, CH3CH2OH, and has a density of 0.996 g/mL. The molarity of ethanol in the solution is ______M.
An aqueous solution of 1.58 M silver nitrate, AgNO3, has a density of 1.22 g/mL. The percent by mass of AgNO3 in the solution is _______%.