JEE Main & Advanced AIEEE Solved Paper-2002

  • question_answer
    Number of atoms in 560 g of Fe (atomic mass 56 g \[mo{{l}^{-1}}\]) is   AIEEE  Solved  Paper-2002

    A) twice that of 70 g N           

    B) half that of 20 g H

    C)           Both (a) and (b) 

    D)           None of these

    Correct Answer: C

    Solution :

    560 g of Fe Number of moles \[=\frac{560\,g}{56\,g}\,=10\,\] mole of Fe                                    14 g = 1 mole of N                                    70 g = 5 moles of N                    20 g \[H\equiv 20\] moles of H-atoms


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