the atomic mass of zinc is 65.4 amu find mass of 10 atoms of zinc in gram
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Since it's given that the molar mass of zinc is 65 gram i.e 65 gram of zinc constitutes 6.022 x 10^23 atoms or 1 mole of atoms so by unitary method, 1 gram of zinc would have 1/65 moles of zinc and similarly 10 gram of zinc would have 10/65 moles of zinc which is equal to 10 x 6.022 x 10^23 / 65 atoms which is equivalent to 9.265 x 10^22 atoms.
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