The answer to this question is pretty simple:
Step #1 first you have to find the atomic mass number for each element
h=1.008 multiplied by two = 2.016
o=16.00=16
add the results:= 18.016 multiplied by 2= 36.032 are the number of atoms in 2 moles of h2o..
Step #1 first you have to find the atomic mass number for each element
h=1.008 multiplied by two = 2.016
o=16.00=16
add the results:= 18.016 multiplied by 2= 36.032 are the number of atoms in 2 moles of h2o..