Calculate the number of atoms present in 25g of carbon ?

Answers (1)
S Sumit

We know that 12g of carbon contains  6 x 10²³ atoms            (1 mole of carbon = 12g)
6x10²³=Avagadro number                                                                   
25g of carbon contains = 25 x 6 x 10²³ / 12
                                       = 12.5 x 10²³ atoms
                                

 

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