What is the volume of co2 liberated ( in liters) at 1atm pressure and 273k when 20 g of 50% pure calcium carbonate is treated with excess dilute H2SO4 Share with your friends Share 0 Akanksha Meshram answered this dont know 0 View Full Answer Radha Krishnan answered this CaCo3+H2So4 gives Caso4+H2o+Co2. CaCo3. Co2 10g. xlitre 100g. 22.4litre 224=100x X=2.24litre -2