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AP EAMCET2005ChemistryStates of Matter

A and B are ideal gases. The molecular weights of A and B are in the ratio of 1: 4 . The pressure of a gas mixture containing equal weights of A and B is P atm. What is the partial pressure (in atm) of B in the mixture?

Options

  1. AP 5
  2. BP 2
  3. CP 2.5
  4. D3 P 4

Correct answer

A. P 5

Step-by-step solution

Mol. wt. ratio of A and B=1: 4 mole ratio of A and B , if equal weight of A and B are taken =4: 1 aligned partial pressure of B & = 1 (1+4) P & = P 5 aligned

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