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A company wishes to distill a 0.830 mole fraction ethanol (0.170 mole fraction water) solution. To aid in the distillation process, a 0.950 mole fraction benzene (0.050 mole fraction water) mixture containing fresh benzene and a recovered benzene solution is added.
The guy above me is an idiot. 49/70 is 68% obviously since 49 out of 70 is over half. (Takes a lot of balls to call someone an idiot and then get the answer wrong your self...Check your work). What a sad state of affairs the American youth have become. 49/70 expressed as a decimal or percentage is simply a division problem.That is what a fraction actually is stating when written. Numerator (Top or First) divided by the Denominator (bottom or second). the fraction 49/70 should be read as a function as 49 divided by 70.9/70 expressed as a decimal or percentage is simply a division problem. That is what a fraction actually is stating when written. Numerator (Top or First) divided by the Denominator (bottom or second). the fraction 49/70 should be read as a function as 49 divided by 70.