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Question 20049
NEET Chemistry · Hard

Some Basic Concepts of Chemistry: Practical stoichiometry MCQ

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Practical stoichiometryHardQuestion 20049

Question

A 5 g impure sample containing 50% CaCO3CaCO_3 liberates CO2CO_2 on treatment with acid. Mass of CO2CO_2 formed is:

  1. A
    1.1 g
    Correct
  2. B
    2.2 g
  3. C
    0.55 g
  4. D
    4.4 g

Correct answer

1.1 g

Explanation

Pure CaCO3CaCO_3 is 2.5 g = 0.025 mol, hence CO2CO_2 formed is 0.025 mol = 1.1 g.

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