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BCECE Engineering BCECE Engineering Solved Paper-2010

  • question_answer
    How many moles of helium gas occupy 22.4 L at \[\text{0}{{\,}^{\text{o}}}\text{C}\]and 1 atm pressure?

    A)  0.11                                      

    B)  1.11                      

    C)         0.90                      

    D)                         1.0

    Correct Answer: D

    Solution :

    \[\because \]22.4 L is the volume that is occupied by one mole of a gas at \[\text{0}{{\,}^{\text{o}}}\text{C}\]and 1 atm pressure. \[\therefore \] 22.4 L of He at \[\text{0}{{\,}^{\text{o}}}\text{C}\]and 1 atm pressure = 1 mol


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