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Reaction: CuSO₄ + Zn → Cu + ZnSO₄. Moles of Cu = 3.2/64 = 0.05 mol. 1 mol Cu from 1 mol CuSO₄; mass = 0.05 × 159.5 ≈ 8 g.
Ref: NCERT Class 11 Chemistry > Chapter 1: Some Basic Concepts of Chemistry > Topic: Importance and Nature of Chemistry and Properties of Matter
Reaction: CuO + CO → Cu + CO₂. Moles of Cu = 8/64 = 0.125 mol. 1 mol Cu from 1 mol CuO; mass = 0.125 × 79.5 ≈ 9.94 g.
Ref: NCERT Class 11 Chemistry > Chapter 1: Some Basic Concepts of Chemistry > Topic: Importance and Nature of Chemistry and Properties of Matter
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