Calculate the no. of atoms in 9.0g of aluminium
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9/26xNAx1=0.34NA atom,
where 9=mass,
26=molar mass of Al,
NA=Avogadro number,
1=atom number of Al
where 9=mass,
26=molar mass of Al,
NA=Avogadro number,
1=atom number of Al
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