Calculate the number of moles of Cl atoms in 1.20×1024 formula units of magnesium chloride, MgCl2.
Here we have to calculate moles of Cl atoms in formula units of MgCl2
Divide formula units by avogadro's number to get total moles of MgCl2 present
See picture for calculation
we know, 1 MgCl2 unit has 2 Cl atoms
Therefore,
1.93 mols of Mg...
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