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Engineering
Chemistry
Mole and Its Calculation
Vander Waal Gas and compressibility Factor
Question

Select correct statement.

The weight of 1 carbon atom is 2 × 10–23 g.

Vapour density of a real gas depends on T & P. 

Volume of 8 gm of O2(g) is equal to volume of O3(g) containing 12.044 × 1023 oxygen atoms under similar conditions.

Molar volume of H2O(ℓ) is same at all temperature.

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Solution
  1.    Weight of 1 carbon atom = 12 × 1.66 × 10–4 ≃ 2 × 10–23 g.
  2.    Molar volume will be dependent on temperature.
  3.    14mol of O2 and 23 mol of  O3 so wrong
  4.      Vapour density of real gas also depends on z
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