Question

what is the number of zinc atom in a piece of zinc racing 10 gram​

Answer 1

Answer:

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Answer 2

Answer:

Explanation:

No of zinc atoms=no of moles * avogadro number

                              =no of grams of zinc/molar mass * avogadro number

             Putting values:

No of zinc atoms=10/65.4* 6.02*10^23            molar mass of Zn=65.4gram/mol

                            =0.92*10^23 atoms of zinc

So,no of zinc atoms in 10 grams of zinc equals 0.92*10^23 atoms

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