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samundra
Answers (1)
You need to start with 20% of 20gm of CaCO3. 20% of 20gm of CaCO3 = 20 * 0.2 = 4 gm Mass of CaCO3 at NTP = 100gm Mass of CO2 at NTP = 44 gm. CaCO3 → CaO + CO2 on heating. So, 100gm of CaCO3 gives 44 gm of CO2. 4 gm of CaCO3 gives (44/100 * 4) = 1.76 gm
