Grade
in a chemical reaction, sulfuric acid and aluminium metal react
to form hydrogen gas and a salt solution of aluminium sulfate.
ben has written this equation for the reaction:
al +h, so(g) → a1,(so )3(aq) + h, (r
ben's equation is not balanced. write a balanced chemical equation for this reaction.

2Al + 3H2SO4 (g) → Al2(SO4)3 (aq) + 3H2 (g)

Explanation:

On the right side we have Al2 ( so 2x aluminium, So  on the left side we multiply Al by 2, On both sides is 2x Al now)

The formula for Sulfuric acid is H2SO4.

The result ( aluminium sulfate ) is Al2(SO4)3. Aluminium has an oxidation number of +3, SO4 has an oxidation number of -2 ( S(+6) + 4O (4x-2) : 6-8 = -2

So we have to multipy aluminium 2x and SO4 (3x) to equal.

On the right side we have 3x S, so on the right side we have to multiply H2SO4 also by 3 to get the same amount.

This results in 12x Oxygen (3xO4). Which is the same as the right side.

On the left side we have 6H ( 3xH2) so on the right side we multiply H2 by 3 to get the same amount.

So we have on both sides:

2x Al

6xH

3xS

12xO

c most likely

hop this let me know if it is wrong

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water pollution kills aquatic life. aquatic life includes algae and other plant life that use photosynthesis. photosynthesis takes   c02 out of the air.  

c02is a greenhouse gas.