What volume of CO2 can be obtained by the action of 120 ml of 20% HCl solution (pl. 1.11 g / ml) on 30 g of CaCO3?

Decision:
1.11 * 120 = 133.2g
133.2 * 0.2 = 26.64g
2HCl + CaCO3 = CaCl2 + CO2 + H2O further proportion find the volume of CO2



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