JEE Main & Advanced Chemistry States of Matter Question Bank Ideal gas equation and Related gas laws

  • question_answer One litre oxygen gas at STP will weigh    [Pb. CET  2004]

    A)                 1.43 g   

    B)                 2.24 g

    C)                 11.2 g   

    D)                 22.4 g

    Correct Answer: A

    Solution :

               \[22.4l\ {{O}_{2}}\] at S.T.P. \[=32gm\] of \[{{O}_{2}}\]                                 \[1l\]\[{{O}_{2}}\] at S.T.P. \[=\frac{32}{22.4}=1.43gm\] of \[{{O}_{2}}\]


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