How many mL of a 12 M HCl stock solution are needed to make 125 mL of a 2.50 M solution?

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Correct relationship between molecular formula and empirical formula

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?