Chemistry, 25.07.2019 22:30 tbowlby7620
The atomic mass of an element is equal to the number of a. protons b. protons plus neutrons c. protons plus electrons d. neutrons
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Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?
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