Chemistry > 2006 > 21
WASSCE
Consider the reaction represented by the equation:
2NaHCO3(s) → Na2CO3(s) + CO2(g) + H2Og
Heat as a catalyst.
What volume of carbon(IV)oxide at s.t.p is evolved when 0.5 moles of NaHCO3 is heated?
[Molar volume = 22.4dm3 at s.t.p]
2NaHCO3(s) → Na2CO3(s) + CO2(g) + H2Og
Heat as a catalyst.
What volume of carbon(IV)oxide at s.t.p is evolved when 0.5 moles of NaHCO3 is heated?
[Molar volume = 22.4dm3 at s.t.p]
A.
1.12dm3
B.
2.24dm3
C.
5.6dm3
D.
56.0dm3
Answer: C
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