How many formula units make up 10.0 g of magnesium chloride (MgCl2)?

Light waves can move through , but they travel fastest when they move through a(n) .

Rays from the sun are not considered matter true or false

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?