Calculate the molarity of a solution prepared by dissolving 1.00 g of ethanol, C2H5OH, in enough water to give a final volume of 101 mL

Question

Lucille White

Chemistry

3 June, 08:53

Calculate the molarity of a solution prepared by dissolving 1.00 g of ethanol, C2H5OH, in enough water to give a final volume of 101 mL

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Yamilet · Answer 1

Molar mass C2H5OH = 46.06 g/mol

Number of moles:

1.00 / 46.06 = > 0.0217 moles

Volume = 101 mL / 1000 = > 0.101 L

Therefore:

Molarity = moles / volume

Molarity = 0.0217 / 0.101

=> 0.214 M