What volume of carbon (lV) oxide is produced at s.t.p. when 2.5g of CaCO3 reacts with excess acid according to the following equation? CaCO3 + 2HCI → CaCI2 +H2O + CO2 [CaCO3 = 100; molar volume of a gas at s.t.p = 22.4dm3]

A. 11.20dm3
B. 5.60dm3
C. 2.24dm3
D. 0.56dm3
E. 0.28dm3

Correct Answer: Option D

D. 0.56dm3