Question

calculate the number of atoms present in 25g of carbon​

Answer 1

We know that

12g of carbon contains  6 x 10²³ atoms

                                                        (1 mole of carbon = 12g)

6 x 10²³ = Avagadro number                                                                    

25g of carbon contains =  $\frac{25* \ 6* \ 10^{23} }{ 12 }$ = 12.5 x 10²³ atoms

Answer 2

Answer:

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