Chemistry, 30.06.2019 17:30, whitan8586
Astudent prepared a solution of ethylene glycol in distilled water. he mixed the 5ml of ethylene glycol with 45 ml water. the mass of the ethylene glycol was 5.580g. the total mass of the solution was 49.037 g.
Answers: 1
Chemistry, 22.06.2019 21:50, SoccerAllStar2
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?
Answers: 2
Chemistry, 22.06.2019 23:00, genyjoannerubiera
In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
Answers: 3
Astudent prepared a solution of ethylene glycol in distilled water. he mixed the 5ml of ethylene gly...
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