We blow up a balloon from 5 Liters to 10 Liters and tie it off. Then we pass out from lack of oxygen. The balloon initially had 18 mol of CO2, how many moles of CO2 are in the balloon at the end? It is not 9!

c is having 4 valence electrons and is bonded to three hydrogens and one sulphur atom, therefore, the number of bond pair is equal to four. as all the valence electrons are used in forming the bonds so, there is no lone pair left on carbon.

s is having 6 valence electrons and is bonded to one other sulfur atom and one carbon atom, therefore, the number of bond pair is equal to 2. as only two valence electrons are used in forming the bonds so, four electrons are left. therefore, two lone pairs are present on s.

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