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Sagot :
3.00097 x [tex]10^{23}[/tex] atoms are contained in 100.0 g of mercury.
What is moles?
The mole is defined as the amount of substance that contains as many elementary entities as there are atoms in exactly 12 g of carbon-12.”
Number of moles of mercury = [tex]\frac{mass}{molar \;mass}[/tex]
Number of moles of mercury = [tex]\frac{100.0 g}{200.59 u}[/tex]
= 0.4985 moles
Number of moles of mercury = Number of atoms = moles of Hg x [tex]6.02 X 10^{23}[/tex]
= 0.4985 x [tex]6.02 X 10^{23}[/tex]
= 3.00097 x [tex]10^{23}[/tex] atoms.
Hence, 3.00097 x [tex]10^{23}[/tex] atoms are contained in 100.0 g of mercury.
Learn more about the moles here:
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