What is the number of zinc atom in piece of zn waiting 10g atomic ( mass of zinc = 65AMU)
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1mole of zinc atom=6.022×10^23
no.of moles= given mass/atomic mass of Zinc =10/65=0.153
1mole of Zinc atom contain=6.022×10^23
0.15mole of Zinc atoms contain=(6.022×10^23×0.15)=9.264×10^22
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