Convert 12.043 x ${10}^{22}$ molecules of sulphur dioxide into moles

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atomsandmolecules

#1

Convert 12.043 x ${10}^{22}$ molecules of sulphur dioxide into moles.


#2

1 mole of $S{{O}_{2}}$ = 6.022 x ${10}^{23}$
1 molecule = 1 / 6.022 x ${10}^{23}$ mole of So2
12.043 x ${10}^{22}$ molecules.
= 1 / 6.022 x ${10}^{23}$ x 12.043 x ${10}^{22}$ moles of So2
= 1.99 x ${10}^{-2}$ moles of So2
=0.199 moles of So2 = 0.2 moles of So2