What do we call the bottom of the curve of liquid in a graduated cylinder?

How many molecules are in 6.0 moles of methane

The biosphere of the earth is made up of what compound? organic or inorganic?

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?