Answers

2014-03-14T13:56:21+05:30
Molecular mass of co2 gas=44g[Atomic mass of c=12g,atomic mass of o=16g]
1).44g=1mole
     4.4g=1/44*4.4=0.1 mole
2).1mole=6.022*10^23molecules
   0.1 mole=6.022*10^23*0.1molecules=6.022*10^22molecules
3).2atoms
2 3 2