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Reaction: 2H₂ + O₂ → 2H₂O. Moles: H₂ = 2.5 mol, O₂ = 1.25 mol. 1.25 mol O₂ limits, reacts with 2.5 mol H₂. 2.5 mol H₂O formed = 2.5 × 18 = 45 g.
Ref: NCERT Class 11 Chemistry > Chapter 1: Some Basic Concepts of Chemistry > Topic: Laws of Chemical Combination - Conservation Mass Definite Multiple
Reaction: 2H₂ + O₂ → 2H₂O. Moles: H₂ = 6/2 = 3 mol, O₂ = 32/32 = 1 mol. 2 mol H₂ need 1 mol O₂; 1 mol O₂ limits, reacts with 2 mol H₂. 2 mol H₂O formed = 2 × 18 = 36 g.
Ref: NCERT Class 11 Chemistry > Chapter 1: Some Basic Concepts of Chemistry > Topic: Dalton's Atomic Theory and Atomic and Molecular Masses
Reaction: 2 H₂ + O₂ → 2 H₂O. Moles: H₂ = 6/2 = 3 mol, O₂ = 44/32 = 1.375 mol. 2 mol H₂ need 1 mol O₂; 1.375 mol O₂ limits, reacts with 2.75 mol H₂. 2.75 mol H₂O formed = 2.75 × 18 = 49.5 g.
Ref: NCERT Class 11 Chemistry > Chapter 1: Some Basic Concepts of Chemistry > Topic: Dalton's Atomic Theory and Atomic and Molecular Masses
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