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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Sektor404 Sektor404
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9 years ago
Given that the density of Acetone is 0.791 g cm-3, a 20 mL volume of acetone was dissolved into a solution (total volume of solution including acetone = 205 mL). Calculate the [Acetone] in this solution. I am so confused on how to do this  Confounded Face Confounded Face If anybody could help that would be very nice of u  Slight Smile
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#1
Educator
9 years ago
First start by finding the mass of acetone:

Density = mass/Volume, so m = DV

m = 0.791 g cm-3 * 20 ml
m = 15.82 g

Concentration = moles / volume

Not sure how to proceed from here, haven't done chemistry in a long time Frowning Face
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