subject
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.

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 19:00
Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?
Answers: 2
question
Chemistry, 21.06.2019 21:00
Harvey kept a balloon with a volume of 348 milliliters at 25.0Ëšc inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.
Answers: 2
question
Chemistry, 22.06.2019 15:00
Answer explain why it is not possible to deduce a complete order of reactivity.
Answers: 3
question
Chemistry, 22.06.2019 21:50
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
You know the right answer?
Astudent prepared a solution of ethylene glycol in distilled water. he mixed the 5ml of ethylene gly...
Questions
question
Mathematics, 08.04.2020 04:43