What volume of CO2 at s.t.p would be obtained by reacting trioxocarbonate (IV) with excess acid?

(G.M.V at s.t.p = 22.4 dm3)

  • A 2.240 cm 3
  • B 22.40 cm 3
  • C 224.0 cm 3
  • D 2240 cm 3
jamb 1991chemistry

The correct answer is B. 22.40 cm 3

Na2CO3 + 2HCC → 2NaII + H2O

1000 cm3 IM Na2CO3 contains 22400 cm3

10cm3 IM Na2CO3 will contain (10) / (100) x 224

=224 cm3

10 cm3 0.1 Na2CO3 will contain (o.1 x 224) / (1) = 22.4 cm3

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