Q. The mass of carbon dioxide produced when 0.5 mol of CaCO₃ decomposes completely according to the equation: CaCO₃ → CaO + CO₂ is: (C=12, O=16)

जब 0.5 mol CaCO₃ समीकरण के अनुसार पूरी तरह से विघटित होता है तो कार्बन डाइऑक्साइड का द्रव्यमान उत्पन्न होता है: CaCO₃ → CaO + CO₂ है: (C=12, O=16)

A
22 g
22 ग्राम
B
44 g
44 ग्राम
C
11 g
11 ग्रा
D
55 g
55 ग्रा

Explanation

Given: CaCO₃ → CaO + CO₂ Given: 0.5 mol CaCO₃, C = 12, O = 16

Step 1: Analyze stoichiometry

  • 1 mol CaCO₃ produces 1 mol CO₂
  • 0.5 mol CaCO₃ produces 0.5 mol CO₂

Step 2: Calculate molar mass of CO₂

  • Molar mass of CO₂ = 12 + (2 × 16) = 44 g/mol

Step 3: Calculate mass

  • Mass = moles × molar mass = 0.5 mol × 44 g/mol = 22 g

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