Carbonic acid can form water and carbon dioxide upon heating. How many grams of carbon dioxide is formed from 12.4 g of carbonic acid? (molar mass HCO3: 64 g/mol; CO: 44 g/mol)
H₂CO₃ → H₂O + CO₂
O 3.60
O 1758
O 427
O 8.548
O 12.48