PDF chapter test TRY NOW

Answer the following question in a few sentences:
 
Fill in the missing data in the Table 3.1
 
Species
Property
\(H_2O\)
\(CO_2\)
Na atom
\(MgCl_2\)
No. of moles.
 
 
\(0.5\)
No. of particles. \(1.2044\) × \(10^2{^4}\) \(3.011\)×\(10^2{^3}\)  \(3.011\)×\(10^2{^4}\) \(3.011\)×\(10^2{^3}\)
Mass