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ratelena [41]
3 years ago
11

How many moles of H2SO4 are needed to completely react with 15.0 mole of Al?

Chemistry
1 answer:
mezya [45]3 years ago
8 0

Answer:

The answer to your question is 22.5 moles of H₂SO₄

Explanation:

Data

moles of H₂SO₄ = ?

moles of Al = 15

Balanced chemical reaction

                2Al + 3H₂SO₄  ⇒  Al₂(SO₄)₃  +  3H₂

To solve this problem use proportions and cross multiplication. Use the coefficients of the balanced chemical reaction.

                2 moles of Al ------------------- 3 moles of H₂SO₄

               15 moles of Al ------------------  x

                                    x = (15 x 3) / 2

                                    x = 45/2

                                   x = 22.5 moles of H₂SO₄

-Conclusion

22.5 moles of H₂SO₄ react completely with 15 moles of Al.

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