Question

Calculate the mass of 12.044*10 molecules of oxygen

Answer 1

Answer:

63.989*10^-22

Step-by-step explanation:

mas of one molecule of oxygen= atomic mass of oxygen/avagadro number

= 32/6.022*10^22= 5.313*10^-23

so mass of 12.044*10 molecules

=12.044*10*5.313*10^-23

=63.989*10^-22