Answer:
C.) That all matter was composed of earth, fire, water and air
Explanation:
Just took the test
So,
Our conceptual plan is as follows:
g AlCl3 --> mol AlCl3 --> mol H2 --> g H2

Hope this helps!
Answer:
5400 cans
Explanation:
First we convert the total weight, 1 ton, to grams:

Now we need to know the mass of aluminum:

Now we make the relation between the mass of aluminum in 1 ton of the earth's crust and the mass of aluminum per can:

The metric prefix name for 1/100 is centimeters.
Answer:
That involve the complete transfer of an electron from one atom of an element to another