Asked by Chelsea

A solution of ethanol (C2H5OH) is prepared by dissolving 35.0 ml of ethanol in enough water to make 120.0 ml of solution. What is the molarity of the ethanol in this solution?
46.07 g= molar mass of ethanol
.079 g/ml=density
Answered by Chelsea
Sorry I meant .79= density
Answered by DrBob222
What's the mass of 35 mL ethanol. That will be mass = volume x density.
Then mols ethanol = grams/molar mass = ?
Finally M = mols/L solution.
Answered by lawrence
23mol/l
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