If 32.2 g of ethyl alcohol is dissolved in 0.50 L water to make a solution, the molarity of the solution will be 1.398 mol/L or 1.398 M
The molarity of a solution is the ratio of the number of moles of solutes and that of the volume of solvent in the solution.
Mathematically:
Molarity = number of moles/volume in L
Number of moles of 32.2 g ethyl alcohol = mass/molar mass
= 32.2/46.07 = 0.699 moles
Molarity of the solution = 0.699/0.50
= 1.398 mol/L or 1.398 M
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