Answer:
billion is larger \ part if billion
100. g CCl4* (1 mol CCl4/ 153.8 g CCl4)* (6.02*10^23 CCl4 molecules/ 1 mol CCl4)= 3.91*10^23 CCl4 molecules.
(Note that the units cancel out so you get the answer)
Hope this helps~
First one is reactants and then second one is products
Ionic Lewis Dot Structure for BaF2, hope this helps.
