what is the percent by volume of ethanol (C2H6O, or ethyl alcohol) in the final solution when 85 mL of ethanol is diluted to a volume of water? Show your calcutayions
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To calculate the percent by volume of ethanol in the final solution, we need to know the total volume of the solution after the dilution.
Let's assume the total volume of the solution after dilution is V mL.
Given that 85 mL of ethanol is diluted with water, we can assume that the volume of water added is V - 85 mL.
Since ethanol is the only other component in the solution, the volume of ethanol remains the same throughout the dilution process, which is 85 mL.
Therefore, the percent by volume of ethanol can be calculated using the equation:
Percent by volume of ethanol = (Volume of ethanol / Total volume of solution) * 100
Substituting the values we have, we get:
Percent by volume of ethanol = (85 mL / V mL) * 100
Hence, the percent by volume of ethanol in the final solution depends on the total volume of the solution after dilution, denoted as V. This information is not provided, so the calculation cannot be completed without knowing the total volume.