Chemistry > 2004 > 10
JAMB UTME
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, Cl = 35.5,H = 1, Molar volume of a gas at s.t.p = 22.4dm3]
[Ca = 40, C = 12, O = 16, Cl = 35.5,H = 1, Molar volume of a gas at s.t.p = 22.4dm3]
A.
224cm3
B.
112cm3
C.
2240cm3
D.
448cm3
Answer: D
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