Answer to Question #72608 in General Chemistry for Sophia

Question

If 5.8 g of copper (I) sulfide decompose to copper metal and sulfur, how many grams of each
product are produced (2 answers required)?

Answer 1

Reaction: Cu2S → 2 Cu + S
Amount of copper (I) sulfide: 5.8 / 159.16 = 0.03644 mol
Amount of copper: 2 ∙ 0.03644 = 0.07288 mol
Mass of copper: 0.07288 ∙ 63.55 = 4.63 g
Amount of sulfur: 0.03644 mol
Mass of sulfur: 0.03644 ∙ 32.06 = 1.17 g