How many grams of O₂ are required to produce 44 g of CO₂ by burning carbon, if only 80% of the oxygen reacts? (Atomic ma
Reaction: C + O₂ → CO₂. Moles of CO₂ = 1 mol; requires 1 mol O₂ (32 g). Since 80% reacts, total O₂ = 32 / 0.8 = 40 g.
Ref: NCERT Class 11 Chemistry > Chapter 1: Some Basic Concepts of Chemistry > Topic: Importance and Nature of Chemistry and Properties of Matter