A solution was made by dissolving 20.7 mL of acetone in sufficient water to make 350....

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Answer 1

Answer #1

Molarity = (W/MW) (1000 / volume of solution in mL)

density = mass /volume

mass = density x volume

mass of acetone = 0.791 x 20.7 = 16.4 g

MW = 58.08 g /mol

volume = 350 mL

Molarity = (16.4 / 58.08) (1000 / 350)

Molarity = 0.81M

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Answer 2

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