Ammonium sulfate can be made by the reaction H₂SO₄ + 2 NH₃ → (NH₄)₂SO₄.What quantity of ammonium sulfate will result from the reaction of 5.00 kg of ammonia and 20.0 kg of sulfuric acid?

Question

Quizplus · Accepted Answer

First, we need to balance the chemical equation: H2SO4 + 2 NH3 → (NH4)2SO4. The molar masses are approximately 98 g/mol for H2SO4, 17 g/mol for NH3, and 132 g/mol for (NH4)2SO4. For 5.00 kg (5000 g) of NH3, the moles of NH3 are 5000 g / 17 g/mol = 294.12 mol. Since the reaction requires 2 moles of NH3 for every mole of H2SO4, the limiting reagent needs to be identified. For 20.0 kg (20000 g) of H2SO4, the moles of H2SO4 are 20000 g / 98 g/mol = 204.08 mol. H2SO4 is the limiting reagent. The moles of (NH4)2SO4 produced will be the same as the moles of H2SO4 used, so 204.08 mol of (NH4)2SO4 will be produced. The mass of (NH4)2SO4 produced is 204.08 mol * 132 g/mol = 26938.56 g, or approximately 26.9 kg.

Ammonium Sulfate Can Be Made by the Reaction H2SO4

Ammonium Sulfate Can Be Made by the Reaction H₂SO₄