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NEET NEET SOLVED PAPER 2019

  • question_answer
    The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber?s process is: [NEET 5-5-2019]

    A) 30        

    B) 40

    C) 10                                

    D)   20

    Correct Answer: A

    Solution :

    \[{{N}_{2}}+3{{H}_{2}}\to 2N{{H}_{3}}\] moles = ? 20 moles \[2\times moles\text{ }{{H}_{2}}=3\times moles\text{ }N{{H}_{3}}\] \[2\times x=3\times 20\] x = 30 moles                            


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