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

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)
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 2.240 cm 3
  • B 22.40 cm 3
  • C 224.0 cm 3
  • D 2240 cm 3
Correct Answer: Option B
Explanation:
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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