Which of the following compounds in the main group is a metalloid? A. Arsenic
B. Potassium
C. Chlorine
D. Indium

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

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?

How much carbon is stored in the atmosphere as co2