The answer would be D. This is because sulfur is on it's own, meaning one. while tri is a prefix for three so there are three oxygen atoms.
They would find out by studying hard and researching different things on which is more important
Answer:
0.234 moles
Explanation:
moles of Al2O3 = mass / molar mass
moles of Al2O3 = 23.87g / 102.0g/mol
moles of Al2O3 = 0.234 moles (to three significant figures)
There are 5 layers. The Lithosphere, the Asthenosphere, the outer core, the inner core and the mantel.
