How many moles of HCl are in 250ml of a 3.5M solution of HCI?

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?

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!