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Introduction to Organic Chemistry

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A solution of ethanol in water is 10 % by volume. If the solution and pure ethanol have densities of 0.9866 g/cc and 0.785 g/cc respectively. The percent by weight is nearly ? 1) 7.95 % 2) 17 % 3) 9.86 % 4) 16.2 %

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Q. A solution of ethanol in water is 10% by volume. If the solution and pure ethanol have densities of 0.9866 g/cc and 0.785 g/cc respectively. The percent by weight is nearly?

Q. A solution of ethanol in water is 10% by volume. If the solution and pure ethanol have densities

0.9866 g m l^{- 1}

0.785 g m l^{- 1}

respectively. The percentage of ethanol by weight is about:

Q. A solution of ethanol in water is

10 %

by volume. If density of the solution and pure ethanol are

0.9866

0.785

g/mL respectively, the mass percent will be:

Q. The mole fraction of ethanol in a solution of ethanol in water is

0.05

and the density of solution is

0.997

g/cc.
Which of the following statements is correct?

Q. The molarity of a solution of ethanol in water when the mole fraction of ethanol is

0.040

[Assume the density of the solution to be

1

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