Given the mass of aluminum sulfide = 21.0 g
Molar mass of =
Calculating the moles of :
Each mole has 3 mol S.
Each mole S constitutes
Calculating atoms of S in 0.14 mol :
=
There are 7 valence atoms
If 25% is remaining, two half lives have occurred.
After one half life, 50% remains. The after a second, 25% remains
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A. Breaking Bread, because you can rip or cut it and it is still bread.
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A food web is a graphic representation of all possible energy pathways through an ecosystem.