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1.How many significant figures are present in the following measurements? solve these
a. 52.10 mL
b. 6.07∙10100 atoms
c. 300 km
2.List the number of protons, neutrons, and electrons present in a Mg atom.
3.Draw a Bohr diagram for an atom of Mg.
4.Calculate the number of moles in 162.32 g of CuCl2
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1.How many significant figures are present in the following measurements? solve these
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