What volume of carbon (lV) oxide is produced at s.t.p. when 2.5g of CaCO 3...
CHEMISTRY
WAEC 1996
What volume of carbon (lV) oxide is produced at s.t.p. when 2.5g of CaCO3reacts with excess acid according to the following equation? CaCO3+ 2HCI → CaCI3 +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
Correct Answer: D. 0.56dm3
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