2004
Chemistry
JAMB
What volume of gas is evolved at s.t.p. if 2g of calcium trioxocarbonate(IV) is added to a solution of hydrochloric acid [Ca = 40, C = 12, O = 16, CI = 35.5, H = 1, Molar volume of a gas at s.t.p = 22.4dm3]
A.
112cm3
B.
224cm3
C.
448cm3
D.
224cm3
Correct Answer: 448cm3
Explanation
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