第1549题：ammonium sulfate

A salt called ammonium sulfate, represented by  ​(NH₄)₂SO₄, is a common fertilizer. We produce it in a reaction of ammonia with sulfuric acid, represented by NH₃ and H₂SO₄ , respectively. This reaction can be summarized by a non-balanced equation

NH₃ + H₂SO₄ $\rightarrow$ (NH₄)₂SO₄ .

A molecule of sulfuric acid weighs approximately 5.8 times as much as a molecule of ammonia.

How much sulfuric acid would you need in order to make 100 Kg of ammonium sulfate?

A. About 62 Kg

B. About 74 Kg

C. About 85 Kg

D. About 89 Kg

From brilliant.org