How many formula units make up 20.6 g of magnesium chloride (MgCl2)?

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

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

Use the periodic table to find the molar mass of each element. molar mass h = g/mol molar mass s = g/mol molar mass o = g/mol