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Which of the following will have …

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Which of the following will have the minimum no. Of atoms:- (1) 1g Cl2 (2) 1g Li (3) 1g Na (4) 1g Au

    • Posted by Ashish Ranjan 6 years, 5 months ago

    CBSE > Class 11 > Chemistry
    • 2 answers

    Parul Singh 6 years, 5 months ago

    10^10

    0Thank You

    Gaurav Seth 6 years, 5 months ago

    (i) Gram atomic mass of Au= 197 g 

    Or

    197g of Au contains = 6.022 x 1023

     

    Therefore 1gm of Au contains = 6.022 x 1023/197*1 = 3.06 x 1021 atoms

     

    (ii) Gram atomic mass of Na = 23 g

    Or

    23 g of Na contains atoms = 6.022x 1023

    Or

    1gm of Na contains atoms = 6.022x1023 /23 *1 = 26.2 x1021atoms

     

    (iii) Gram atomic mass of Li = 7

    Or

    7g of Li contains atoms = 6.022 x 1023

    Or

    1g of Li contains atoms = 6.022 x 1023/7 *1= 86.0 x 1021 atoms

     

    (iv) Gram atomic mass of Cl = 71 Or 71g of Cl contains atoms = 6.022x1023

    Or

    1 g of Cl contains atoms = 6.022x1023 /71 * 1= 8.48 x 1021atoms

    0Thank You

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